Home / 148,551.20-205,001.52-84,891.32

Finding the Fourth Proportional to 148,551.20, 205,001.52 and 84,891.32

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Solution

The fourth proportional to 148,551.20, 205,001.52 and 84,891.32 is: 117,150.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,551.20 : 205,001.52 = 84,891.32 : x
  2. Step 2: Convert to fraction form
    148,551.20/205,001.52 = 84,891.32/x
  3. Step 3: Cross multiply
    148,551.20x = 205,001.52 × 84,891.32
  4. Step 4: Simplify right side
    148,551.20x = 17,402,849,634.81
  5. Step 5: Solve for x
    x = 17,402,849,634.81/148,551.20
  6. Step 6: Final answer
    x = 117,150.52

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.