Home / 176,257.38-243,145.08-112,528.20

Finding the Fourth Proportional to 176,257.38, 243,145.08 and 112,528.20

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Solution

The fourth proportional to 176,257.38, 243,145.08 and 112,528.20 is: 155,231.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,257.38 : 243,145.08 = 112,528.20 : x
  2. Step 2: Convert to fraction form
    176,257.38/243,145.08 = 112,528.20/x
  3. Step 3: Cross multiply
    176,257.38x = 243,145.08 × 112,528.20
  4. Step 4: Simplify right side
    176,257.38x = 27,360,678,191.26
  5. Step 5: Solve for x
    x = 27,360,678,191.26/176,257.38
  6. Step 6: Final answer
    x = 155,231.39

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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.