Home / 118,360.42-163,330.76-67,385.56

Finding the Fourth Proportional to 118,360.42, 163,330.76 and 67,385.56

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Solution

The fourth proportional to 118,360.42, 163,330.76 and 67,385.56 is: 92,988.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,360.42 : 163,330.76 = 67,385.56 : x
  2. Step 2: Convert to fraction form
    118,360.42/163,330.76 = 67,385.56/x
  3. Step 3: Cross multiply
    118,360.42x = 163,330.76 × 67,385.56
  4. Step 4: Simplify right side
    118,360.42x = 11,006,134,727.83
  5. Step 5: Solve for x
    x = 11,006,134,727.83/118,360.42
  6. Step 6: Final answer
    x = 92,988.30

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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.