Home / 103,741.40-155,253.70-62,218.20

Finding the Fourth Proportional to 103,741.40, 155,253.70 and 62,218.20

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Solution

The fourth proportional to 103,741.40, 155,253.70 and 62,218.20 is: 93,112.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,741.40 : 155,253.70 = 62,218.20 : x
  2. Step 2: Convert to fraction form
    103,741.40/155,253.70 = 62,218.20/x
  3. Step 3: Cross multiply
    103,741.40x = 155,253.70 × 62,218.20
  4. Step 4: Simplify right side
    103,741.40x = 9,659,605,757.34
  5. Step 5: Solve for x
    x = 9,659,605,757.34/103,741.40
  6. Step 6: Final answer
    x = 93,112.35

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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.