Home / 160,710.40-221,779.12-88,112.44

Finding the Fourth Proportional to 160,710.40, 221,779.12 and 88,112.44

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Solution

The fourth proportional to 160,710.40, 221,779.12 and 88,112.44 is: 121,594.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,710.40 : 221,779.12 = 88,112.44 : x
  2. Step 2: Convert to fraction form
    160,710.40/221,779.12 = 88,112.44/x
  3. Step 3: Cross multiply
    160,710.40x = 221,779.12 × 88,112.44
  4. Step 4: Simplify right side
    160,710.40x = 19,541,499,404.25
  5. Step 5: Solve for x
    x = 19,541,499,404.25/160,710.40
  6. Step 6: Final answer
    x = 121,594.49

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1.5x scale

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.