Home / 119,306.87-164,644.57-64,859.16

Finding the Fourth Proportional to 119,306.87, 164,644.57 and 64,859.16

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Solution

The fourth proportional to 119,306.87, 164,644.57 and 64,859.16 is: 89,506.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,306.87 : 164,644.57 = 64,859.16 : x
  2. Step 2: Convert to fraction form
    119,306.87/164,644.57 = 64,859.16/x
  3. Step 3: Cross multiply
    119,306.87x = 164,644.57 × 64,859.16
  4. Step 4: Simplify right side
    119,306.87x = 10,678,708,842.42
  5. Step 5: Solve for x
    x = 10,678,708,842.42/119,306.87
  6. Step 6: Final answer
    x = 89,506.23

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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.