Home / 148,557.38-205,009.52-84,895.02

Finding the Fourth Proportional to 148,557.38, 205,009.52 and 84,895.02

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Solution

The fourth proportional to 148,557.38, 205,009.52 and 84,895.02 is: 117,155.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,557.38 : 205,009.52 = 84,895.02 : x
  2. Step 2: Convert to fraction form
    148,557.38/205,009.52 = 84,895.02/x
  3. Step 3: Cross multiply
    148,557.38x = 205,009.52 × 84,895.02
  4. Step 4: Simplify right side
    148,557.38x = 17,404,286,876.12
  5. Step 5: Solve for x
    x = 17,404,286,876.12/148,557.38
  6. Step 6: Final answer
    x = 117,155.32

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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.