Home / 127,791.32-176,353.18-70,432.68

Finding the Fourth Proportional to 127,791.32, 176,353.18 and 70,432.68

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Solution

The fourth proportional to 127,791.32, 176,353.18 and 70,432.68 is: 97,197.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,791.32 : 176,353.18 = 70,432.68 : x
  2. Step 2: Convert to fraction form
    127,791.32/176,353.18 = 70,432.68/x
  3. Step 3: Cross multiply
    127,791.32x = 176,353.18 × 70,432.68
  4. Step 4: Simplify right side
    127,791.32x = 12,421,027,093.92
  5. Step 5: Solve for x
    x = 12,421,027,093.92/127,791.32
  6. Step 6: Final answer
    x = 97,197.74

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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.