Home / 283,400.16-391,089.28-156,073.04

Finding the Fourth Proportional to 283,400.16, 391,089.28 and 156,073.04

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Solution

The fourth proportional to 283,400.16, 391,089.28 and 156,073.04 is: 215,379.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,400.16 : 391,089.28 = 156,073.04 : x
  2. Step 2: Convert to fraction form
    283,400.16/391,089.28 = 156,073.04/x
  3. Step 3: Cross multiply
    283,400.16x = 391,089.28 × 156,073.04
  4. Step 4: Simplify right side
    283,400.16x = 61,038,492,841.01
  5. Step 5: Solve for x
    x = 61,038,492,841.01/283,400.16
  6. Step 6: Final answer
    x = 215,379.18

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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.