Home / 113,630.48-156,810.84-63,332.72

Finding the Fourth Proportional to 113,630.48, 156,810.84 and 63,332.72

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Solution

The fourth proportional to 113,630.48, 156,810.84 and 63,332.72 is: 87,399.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,630.48 : 156,810.84 = 63,332.72 : x
  2. Step 2: Convert to fraction form
    113,630.48/156,810.84 = 63,332.72/x
  3. Step 3: Cross multiply
    113,630.48x = 156,810.84 × 63,332.72
  4. Step 4: Simplify right side
    113,630.48x = 9,931,257,022.68
  5. Step 5: Solve for x
    x = 9,931,257,022.68/113,630.48
  6. Step 6: Final answer
    x = 87,399.59

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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.