Home / 121,395.39-182,128.62-62,272.28

Finding the Fourth Proportional to 121,395.39, 182,128.62 and 62,272.28

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Solution

The fourth proportional to 121,395.39, 182,128.62 and 62,272.28 is: 93,426.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,395.39 : 182,128.62 = 62,272.28 : x
  2. Step 2: Convert to fraction form
    121,395.39/182,128.62 = 62,272.28/x
  3. Step 3: Cross multiply
    121,395.39x = 182,128.62 × 62,272.28
  4. Step 4: Simplify right side
    121,395.39x = 11,341,563,510.01
  5. Step 5: Solve for x
    x = 11,341,563,510.01/121,395.39
  6. Step 6: Final answer
    x = 93,426.64

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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.