Home / 442,733.16-663,869.13-158,314.08

Finding the Fourth Proportional to 442,733.16, 663,869.13 and 158,314.08

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Solution

The fourth proportional to 442,733.16, 663,869.13 and 158,314.08 is: 237,388.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,733.16 : 663,869.13 = 158,314.08 : x
  2. Step 2: Convert to fraction form
    442,733.16/663,869.13 = 158,314.08/x
  3. Step 3: Cross multiply
    442,733.16x = 663,869.13 × 158,314.08
  4. Step 4: Simplify right side
    442,733.16x = 105,099,830,556.35
  5. Step 5: Solve for x
    x = 105,099,830,556.35/442,733.16
  6. Step 6: Final answer
    x = 237,388.66

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.