Home / 215,445.29-297,314.51-124,818.77

Finding the Fourth Proportional to 215,445.29, 297,314.51 and 124,818.77

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Solution

The fourth proportional to 215,445.29, 297,314.51 and 124,818.77 is: 172,249.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,445.29 : 297,314.51 = 124,818.77 : x
  2. Step 2: Convert to fraction form
    215,445.29/297,314.51 = 124,818.77/x
  3. Step 3: Cross multiply
    215,445.29x = 297,314.51 × 124,818.77
  4. Step 4: Simplify right side
    215,445.29x = 37,110,431,560.55
  5. Step 5: Solve for x
    x = 37,110,431,560.55/215,445.29
  6. Step 6: Final answer
    x = 172,249.91

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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.