Home / 307,459.40-424,356.18-180,244.04

Finding the Fourth Proportional to 307,459.40, 424,356.18 and 180,244.04

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Solution

The fourth proportional to 307,459.40, 424,356.18 and 180,244.04 is: 248,773.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,459.40 : 424,356.18 = 180,244.04 : x
  2. Step 2: Convert to fraction form
    307,459.40/424,356.18 = 180,244.04/x
  3. Step 3: Cross multiply
    307,459.40x = 424,356.18 × 180,244.04
  4. Step 4: Simplify right side
    307,459.40x = 76,487,672,282.17
  5. Step 5: Solve for x
    x = 76,487,672,282.17/307,459.40
  6. Step 6: Final answer
    x = 248,773.24

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.