Home / 313,426.60-432,538.56-177,458.20

Finding the Fourth Proportional to 313,426.60, 432,538.56 and 177,458.20

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Solution

The fourth proportional to 313,426.60, 432,538.56 and 177,458.20 is: 244,897.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,426.60 : 432,538.56 = 177,458.20 : x
  2. Step 2: Convert to fraction form
    313,426.60/432,538.56 = 177,458.20/x
  3. Step 3: Cross multiply
    313,426.60x = 432,538.56 × 177,458.20
  4. Step 4: Simplify right side
    313,426.60x = 76,757,514,288.19
  5. Step 5: Solve for x
    x = 76,757,514,288.19/313,426.60
  6. Step 6: Final answer
    x = 244,897.89

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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.