Home / 127,613.79-176,104.04-71,023.95

Finding the Fourth Proportional to 127,613.79, 176,104.04 and 71,023.95

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Solution

The fourth proportional to 127,613.79, 176,104.04 and 71,023.95 is: 98,011.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,613.79 : 176,104.04 = 71,023.95 : x
  2. Step 2: Convert to fraction form
    127,613.79/176,104.04 = 71,023.95/x
  3. Step 3: Cross multiply
    127,613.79x = 176,104.04 × 71,023.95
  4. Step 4: Simplify right side
    127,613.79x = 12,507,604,176.64
  5. Step 5: Solve for x
    x = 12,507,604,176.64/127,613.79
  6. Step 6: Final answer
    x = 98,011.38

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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.