Home / 122,585.28-183,535.34-66,223.46

Finding the Fourth Proportional to 122,585.28, 183,535.34 and 66,223.46

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Solution

The fourth proportional to 122,585.28, 183,535.34 and 66,223.46 is: 99,150.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,585.28 : 183,535.34 = 66,223.46 : x
  2. Step 2: Convert to fraction form
    122,585.28/183,535.34 = 66,223.46/x
  3. Step 3: Cross multiply
    122,585.28x = 183,535.34 × 66,223.46
  4. Step 4: Simplify right side
    122,585.28x = 12,154,345,374.80
  5. Step 5: Solve for x
    x = 12,154,345,374.80/122,585.28
  6. Step 6: Final answer
    x = 99,150.12

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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.