Home / 118,154.31-163,056.90-64,442.26

Finding the Fourth Proportional to 118,154.31, 163,056.90 and 64,442.26

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Solution

The fourth proportional to 118,154.31, 163,056.90 and 64,442.26 is: 88,932.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,154.31 : 163,056.90 = 64,442.26 : x
  2. Step 2: Convert to fraction form
    118,154.31/163,056.90 = 64,442.26/x
  3. Step 3: Cross multiply
    118,154.31x = 163,056.90 × 64,442.26
  4. Step 4: Simplify right side
    118,154.31x = 10,507,755,144.59
  5. Step 5: Solve for x
    x = 10,507,755,144.59/118,154.31
  6. Step 6: Final answer
    x = 88,932.47

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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.