Home / 453,156.20-625,343.09-249,207.12

Finding the Fourth Proportional to 453,156.20, 625,343.09 and 249,207.12

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Solution

The fourth proportional to 453,156.20, 625,343.09 and 249,207.12 is: 343,898.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,156.20 : 625,343.09 = 249,207.12 : x
  2. Step 2: Convert to fraction form
    453,156.20/625,343.09 = 249,207.12/x
  3. Step 3: Cross multiply
    453,156.20x = 625,343.09 × 249,207.12
  4. Step 4: Simplify right side
    453,156.20x = 155,839,949,224.77
  5. Step 5: Solve for x
    x = 155,839,949,224.77/453,156.20
  6. Step 6: Final answer
    x = 343,898.97

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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.