Home / 147,953.77-221,986.52-88,830.65

Finding the Fourth Proportional to 147,953.77, 221,986.52 and 88,830.65

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Solution

The fourth proportional to 147,953.77, 221,986.52 and 88,830.65 is: 133,279.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,953.77 : 221,986.52 = 88,830.65 : x
  2. Step 2: Convert to fraction form
    147,953.77/221,986.52 = 88,830.65/x
  3. Step 3: Cross multiply
    147,953.77x = 221,986.52 × 88,830.65
  4. Step 4: Simplify right side
    147,953.77x = 19,719,206,862.84
  5. Step 5: Solve for x
    x = 19,719,206,862.84/147,953.77
  6. Step 6: Final answer
    x = 133,279.52

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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.