Home / 283,392.03-391,084.70-156,077.04

Finding the Fourth Proportional to 283,392.03, 391,084.70 and 156,077.04

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Solution

The fourth proportional to 283,392.03, 391,084.70 and 156,077.04 is: 215,388.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,392.03 : 391,084.70 = 156,077.04 : x
  2. Step 2: Convert to fraction form
    283,392.03/391,084.70 = 156,077.04/x
  3. Step 3: Cross multiply
    283,392.03x = 391,084.70 × 156,077.04
  4. Step 4: Simplify right side
    283,392.03x = 61,039,342,365.29
  5. Step 5: Solve for x
    x = 61,039,342,365.29/283,392.03
  6. Step 6: Final answer
    x = 215,388.35

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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.