Home / 442,153.31-663,370.16-157,837.77

Finding the Fourth Proportional to 442,153.31, 663,370.16 and 157,837.77

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Solution

The fourth proportional to 442,153.31, 663,370.16 and 157,837.77 is: 236,806.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,153.31 : 663,370.16 = 157,837.77 : x
  2. Step 2: Convert to fraction form
    442,153.31/663,370.16 = 157,837.77/x
  3. Step 3: Cross multiply
    442,153.31x = 663,370.16 × 157,837.77
  4. Step 4: Simplify right side
    442,153.31x = 104,704,865,949.75
  5. Step 5: Solve for x
    x = 104,704,865,949.75/442,153.31
  6. Step 6: Final answer
    x = 236,806.70

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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.