Home / 159,941.59-220,719.46-88,326.47

Finding the Fourth Proportional to 159,941.59, 220,719.46 and 88,326.47

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Solution

The fourth proportional to 159,941.59, 220,719.46 and 88,326.47 is: 121,890.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,941.59 : 220,719.46 = 88,326.47 : x
  2. Step 2: Convert to fraction form
    159,941.59/220,719.46 = 88,326.47/x
  3. Step 3: Cross multiply
    159,941.59x = 220,719.46 × 88,326.47
  4. Step 4: Simplify right side
    159,941.59x = 19,495,370,541.29
  5. Step 5: Solve for x
    x = 19,495,370,541.29/159,941.59
  6. Step 6: Final answer
    x = 121,890.57

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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.