Home / 113,094.20-169,641.30-103,417.40

Finding the Fourth Proportional to 113,094.20, 169,641.30 and 103,417.40

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Solution

The fourth proportional to 113,094.20, 169,641.30 and 103,417.40 is: 155,126.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,094.20 : 169,641.30 = 103,417.40 : x
  2. Step 2: Convert to fraction form
    113,094.20/169,641.30 = 103,417.40/x
  3. Step 3: Cross multiply
    113,094.20x = 169,641.30 × 103,417.40
  4. Step 4: Simplify right side
    113,094.20x = 17,543,862,178.62
  5. Step 5: Solve for x
    x = 17,543,862,178.62/113,094.20
  6. Step 6: Final answer
    x = 155,126.10

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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.