Home / 215,109.56-296,838.96-119,614.20

Finding the Fourth Proportional to 215,109.56, 296,838.96 and 119,614.20

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Solution

The fourth proportional to 215,109.56, 296,838.96 and 119,614.20 is: 165,060.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,109.56 : 296,838.96 = 119,614.20 : x
  2. Step 2: Convert to fraction form
    215,109.56/296,838.96 = 119,614.20/x
  3. Step 3: Cross multiply
    215,109.56x = 296,838.96 × 119,614.20
  4. Step 4: Simplify right side
    215,109.56x = 35,506,154,729.23
  5. Step 5: Solve for x
    x = 35,506,154,729.23/215,109.56
  6. Step 6: Final answer
    x = 165,060.80

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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.