Home / 147,501.24-203,493.76-90,814.20

Finding the Fourth Proportional to 147,501.24, 203,493.76 and 90,814.20

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Solution

The fourth proportional to 147,501.24, 203,493.76 and 90,814.20 is: 125,287.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,501.24 : 203,493.76 = 90,814.20 : x
  2. Step 2: Convert to fraction form
    147,501.24/203,493.76 = 90,814.20/x
  3. Step 3: Cross multiply
    147,501.24x = 203,493.76 × 90,814.20
  4. Step 4: Simplify right side
    147,501.24x = 18,480,123,019.39
  5. Step 5: Solve for x
    x = 18,480,123,019.39/147,501.24
  6. Step 6: Final answer
    x = 125,287.92

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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.