Home / 425,100.14-637,734.30-121,497.02

Finding the Fourth Proportional to 425,100.14, 637,734.30 and 121,497.02

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Solution

The fourth proportional to 425,100.14, 637,734.30 and 121,497.02 is: 182,269.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    425,100.14 : 637,734.30 = 121,497.02 : x
  2. Step 2: Convert to fraction form
    425,100.14/637,734.30 = 121,497.02/x
  3. Step 3: Cross multiply
    425,100.14x = 637,734.30 × 121,497.02
  4. Step 4: Simplify right side
    425,100.14x = 77,482,817,001.79
  5. Step 5: Solve for x
    x = 77,482,817,001.79/425,100.14
  6. Step 6: Final answer
    x = 182,269.56

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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.