Home / 127,904.28-176,509.08-70,545.84

Finding the Fourth Proportional to 127,904.28, 176,509.08 and 70,545.84

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Solution

The fourth proportional to 127,904.28, 176,509.08 and 70,545.84 is: 97,353.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,904.28 : 176,509.08 = 70,545.84 : x
  2. Step 2: Convert to fraction form
    127,904.28/176,509.08 = 70,545.84/x
  3. Step 3: Cross multiply
    127,904.28x = 176,509.08 × 70,545.84
  4. Step 4: Simplify right side
    127,904.28x = 12,451,981,316.23
  5. Step 5: Solve for x
    x = 12,451,981,316.23/127,904.28
  6. Step 6: Final answer
    x = 97,353.91

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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.