Home / 105,436.46-158,138.45-34,358.92

Finding the Fourth Proportional to 105,436.46, 158,138.45 and 34,358.92

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Solution

The fourth proportional to 105,436.46, 158,138.45 and 34,358.92 is: 51,533.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,436.46 : 158,138.45 = 34,358.92 : x
  2. Step 2: Convert to fraction form
    105,436.46/158,138.45 = 34,358.92/x
  3. Step 3: Cross multiply
    105,436.46x = 158,138.45 × 34,358.92
  4. Step 4: Simplify right side
    105,436.46x = 5,433,466,803.71
  5. Step 5: Solve for x
    x = 5,433,466,803.71/105,436.46
  6. Step 6: Final answer
    x = 51,533.09

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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.