Home / 148,412.25-221,803.52-108,515.25

Finding the Fourth Proportional to 148,412.25, 221,803.52 and 108,515.25

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Solution

The fourth proportional to 148,412.25, 221,803.52 and 108,515.25 is: 162,177.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,412.25 : 221,803.52 = 108,515.25 : x
  2. Step 2: Convert to fraction form
    148,412.25/221,803.52 = 108,515.25/x
  3. Step 3: Cross multiply
    148,412.25x = 221,803.52 × 108,515.25
  4. Step 4: Simplify right side
    148,412.25x = 24,069,063,881.10
  5. Step 5: Solve for x
    x = 24,069,063,881.10/148,412.25
  6. Step 6: Final answer
    x = 162,177.07

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.