Home / 155,448.30-233,172.45-121,622.70

Finding the Fourth Proportional to 155,448.30, 233,172.45 and 121,622.70

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Solution

The fourth proportional to 155,448.30, 233,172.45 and 121,622.70 is: 182,434.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,448.30 : 233,172.45 = 121,622.70 : x
  2. Step 2: Convert to fraction form
    155,448.30/233,172.45 = 121,622.70/x
  3. Step 3: Cross multiply
    155,448.30x = 233,172.45 × 121,622.70
  4. Step 4: Simplify right side
    155,448.30x = 28,359,062,934.62
  5. Step 5: Solve for x
    x = 28,359,062,934.62/155,448.30
  6. Step 6: Final answer
    x = 182,434.05

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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.