Home / 113,073.06-156,022.64-65,332.74

Finding the Fourth Proportional to 113,073.06, 156,022.64 and 65,332.74

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Solution

The fourth proportional to 113,073.06, 156,022.64 and 65,332.74 is: 90,148.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,073.06 : 156,022.64 = 65,332.74 : x
  2. Step 2: Convert to fraction form
    113,073.06/156,022.64 = 65,332.74/x
  3. Step 3: Cross multiply
    113,073.06x = 156,022.64 × 65,332.74
  4. Step 4: Simplify right side
    113,073.06x = 10,193,386,573.23
  5. Step 5: Solve for x
    x = 10,193,386,573.23/113,073.06
  6. Step 6: Final answer
    x = 90,148.68

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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.