Home / 159,968.55-220,756.53-88,347.95

Finding the Fourth Proportional to 159,968.55, 220,756.53 and 88,347.95

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Solution

The fourth proportional to 159,968.55, 220,756.53 and 88,347.95 is: 121,920.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,968.55 : 220,756.53 = 88,347.95 : x
  2. Step 2: Convert to fraction form
    159,968.55/220,756.53 = 88,347.95/x
  3. Step 3: Cross multiply
    159,968.55x = 220,756.53 × 88,347.95
  4. Step 4: Simplify right side
    159,968.55x = 19,503,386,929.97
  5. Step 5: Solve for x
    x = 19,503,386,929.97/159,968.55
  6. Step 6: Final answer
    x = 121,920.13

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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.