Home / 122,631.40-183,947.10-60,423.40

Finding the Fourth Proportional to 122,631.40, 183,947.10 and 60,423.40

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Solution

The fourth proportional to 122,631.40, 183,947.10 and 60,423.40 is: 90,635.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,631.40 : 183,947.10 = 60,423.40 : x
  2. Step 2: Convert to fraction form
    122,631.40/183,947.10 = 60,423.40/x
  3. Step 3: Cross multiply
    122,631.40x = 183,947.10 × 60,423.40
  4. Step 4: Simplify right side
    122,631.40x = 11,114,709,202.14
  5. Step 5: Solve for x
    x = 11,114,709,202.14/122,631.40
  6. Step 6: Final answer
    x = 90,635.10

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.