Home / 103,616.18-155,386.20-37,038.26

Finding the Fourth Proportional to 103,616.18, 155,386.20 and 37,038.26

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Solution

The fourth proportional to 103,616.18, 155,386.20 and 37,038.26 is: 55,543.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,616.18 : 155,386.20 = 37,038.26 : x
  2. Step 2: Convert to fraction form
    103,616.18/155,386.20 = 37,038.26/x
  3. Step 3: Cross multiply
    103,616.18x = 155,386.20 × 37,038.26
  4. Step 4: Simplify right side
    103,616.18x = 5,755,234,476.01
  5. Step 5: Solve for x
    x = 5,755,234,476.01/103,616.18
  6. Step 6: Final answer
    x = 55,543.78

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1.5x scale

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.