Home / 215,337.69-297,153.36-124,687.22

Finding the Fourth Proportional to 215,337.69, 297,153.36 and 124,687.22

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Solution

The fourth proportional to 215,337.69, 297,153.36 and 124,687.22 is: 172,061.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,337.69 : 297,153.36 = 124,687.22 : x
  2. Step 2: Convert to fraction form
    215,337.69/297,153.36 = 124,687.22/x
  3. Step 3: Cross multiply
    215,337.69x = 297,153.36 × 124,687.22
  4. Step 4: Simplify right side
    215,337.69x = 37,051,224,886.29
  5. Step 5: Solve for x
    x = 37,051,224,886.29/215,337.69
  6. Step 6: Final answer
    x = 172,061.03

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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.