Home / 417,625.04-626,432.16-102,084.72

Finding the Fourth Proportional to 417,625.04, 626,432.16 and 102,084.72

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Solution

The fourth proportional to 417,625.04, 626,432.16 and 102,084.72 is: 153,125.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    417,625.04 : 626,432.16 = 102,084.72 : x
  2. Step 2: Convert to fraction form
    417,625.04/626,432.16 = 102,084.72/x
  3. Step 3: Cross multiply
    417,625.04x = 626,432.16 × 102,084.72
  4. Step 4: Simplify right side
    417,625.04x = 63,949,151,652.60
  5. Step 5: Solve for x
    x = 63,949,151,652.60/417,625.04
  6. Step 6: Final answer
    x = 153,125.76

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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.