Home / 357,966.36-536,614.20-121,143.24

Finding the Fourth Proportional to 357,966.36, 536,614.20 and 121,143.24

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Solution

The fourth proportional to 357,966.36, 536,614.20 and 121,143.24 is: 181,601.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,966.36 : 536,614.20 = 121,143.24 : x
  2. Step 2: Convert to fraction form
    357,966.36/536,614.20 = 121,143.24/x
  3. Step 3: Cross multiply
    357,966.36x = 536,614.20 × 121,143.24
  4. Step 4: Simplify right side
    357,966.36x = 65,007,182,818.01
  5. Step 5: Solve for x
    x = 65,007,182,818.01/357,966.36
  6. Step 6: Final answer
    x = 181,601.37

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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.