Home / 316,758.03-437,126.05-173,518.03

Finding the Fourth Proportional to 316,758.03, 437,126.05 and 173,518.03

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Solution

The fourth proportional to 316,758.03, 437,126.05 and 173,518.03 is: 239,454.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,758.03 : 437,126.05 = 173,518.03 : x
  2. Step 2: Convert to fraction form
    316,758.03/437,126.05 = 173,518.03/x
  3. Step 3: Cross multiply
    316,758.03x = 437,126.05 × 173,518.03
  4. Step 4: Simplify right side
    316,758.03x = 75,849,251,057.68
  5. Step 5: Solve for x
    x = 75,849,251,057.68/316,758.03
  6. Step 6: Final answer
    x = 239,454.86

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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.