Home / 142,596.09-196,572.95-108,545.27

Finding the Fourth Proportional to 142,596.09, 196,572.95 and 108,545.27

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Solution

The fourth proportional to 142,596.09, 196,572.95 and 108,545.27 is: 149,632.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,596.09 : 196,572.95 = 108,545.27 : x
  2. Step 2: Convert to fraction form
    142,596.09/196,572.95 = 108,545.27/x
  3. Step 3: Cross multiply
    142,596.09x = 196,572.95 × 108,545.27
  4. Step 4: Simplify right side
    142,596.09x = 21,337,062,406.86
  5. Step 5: Solve for x
    x = 21,337,062,406.86/142,596.09
  6. Step 6: Final answer
    x = 149,632.87

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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.