Home / 155,681.20-233,489.40-43,332.40

Finding the Fourth Proportional to 155,681.20, 233,489.40 and 43,332.40

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Solution

The fourth proportional to 155,681.20, 233,489.40 and 43,332.40 is: 64,989.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,681.20 : 233,489.40 = 43,332.40 : x
  2. Step 2: Convert to fraction form
    155,681.20/233,489.40 = 43,332.40/x
  3. Step 3: Cross multiply
    155,681.20x = 233,489.40 × 43,332.40
  4. Step 4: Simplify right side
    155,681.20x = 10,117,656,076.56
  5. Step 5: Solve for x
    x = 10,117,656,076.56/155,681.20
  6. Step 6: Final answer
    x = 64,989.58

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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.