Home / 113,393.45-156,480.56-62,403.55

Finding the Fourth Proportional to 113,393.45, 156,480.56 and 62,403.55

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Solution

The fourth proportional to 113,393.45, 156,480.56 and 62,403.55 is: 86,115.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,393.45 : 156,480.56 = 62,403.55 : x
  2. Step 2: Convert to fraction form
    113,393.45/156,480.56 = 62,403.55/x
  3. Step 3: Cross multiply
    113,393.45x = 156,480.56 × 62,403.55
  4. Step 4: Simplify right side
    113,393.45x = 9,764,941,980.78
  5. Step 5: Solve for x
    x = 9,764,941,980.78/113,393.45
  6. Step 6: Final answer
    x = 86,115.57

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1.5x scale

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.