Home / 317,105.22-437,601.87-173,864.91

Finding the Fourth Proportional to 317,105.22, 437,601.87 and 173,864.91

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Solution

The fourth proportional to 317,105.22, 437,601.87 and 173,864.91 is: 239,931.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,105.22 : 437,601.87 = 173,864.91 : x
  2. Step 2: Convert to fraction form
    317,105.22/437,601.87 = 173,864.91/x
  3. Step 3: Cross multiply
    317,105.22x = 437,601.87 × 173,864.91
  4. Step 4: Simplify right side
    317,105.22x = 76,083,609,743.38
  5. Step 5: Solve for x
    x = 76,083,609,743.38/317,105.22
  6. Step 6: Final answer
    x = 239,931.75

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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.