Home / 159,073.05-219,518.45-86,473.53

Finding the Fourth Proportional to 159,073.05, 219,518.45 and 86,473.53

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Solution

The fourth proportional to 159,073.05, 219,518.45 and 86,473.53 is: 119,332.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,073.05 : 219,518.45 = 86,473.53 : x
  2. Step 2: Convert to fraction form
    159,073.05/219,518.45 = 86,473.53/x
  3. Step 3: Cross multiply
    159,073.05x = 219,518.45 × 86,473.53
  4. Step 4: Simplify right side
    159,073.05x = 18,982,535,487.81
  5. Step 5: Solve for x
    x = 18,982,535,487.81/159,073.05
  6. Step 6: Final answer
    x = 119,332.19

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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.