Home / 231,001.60-346,502.40-217,004.80

Finding the Fourth Proportional to 231,001.60, 346,502.40 and 217,004.80

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Solution

The fourth proportional to 231,001.60, 346,502.40 and 217,004.80 is: 325,507.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,001.60 : 346,502.40 = 217,004.80 : x
  2. Step 2: Convert to fraction form
    231,001.60/346,502.40 = 217,004.80/x
  3. Step 3: Cross multiply
    231,001.60x = 346,502.40 × 217,004.80
  4. Step 4: Simplify right side
    231,001.60x = 75,192,684,011.52
  5. Step 5: Solve for x
    x = 75,192,684,011.52/231,001.60
  6. Step 6: Final answer
    x = 325,507.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.