Home / 103,419.18-155,154.51-29,547.18

Finding the Fourth Proportional to 103,419.18, 155,154.51 and 29,547.18

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Solution

The fourth proportional to 103,419.18, 155,154.51 and 29,547.18 is: 44,328.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,419.18 : 155,154.51 = 29,547.18 : x
  2. Step 2: Convert to fraction form
    103,419.18/155,154.51 = 29,547.18/x
  3. Step 3: Cross multiply
    103,419.18x = 155,154.51 × 29,547.18
  4. Step 4: Simplify right side
    103,419.18x = 4,584,378,234.78
  5. Step 5: Solve for x
    x = 4,584,378,234.78/103,419.18
  6. Step 6: Final answer
    x = 44,328.12

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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.