Home / 119,702.88-165,159.36-76,079.52

Finding the Fourth Proportional to 119,702.88, 165,159.36 and 76,079.52

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Solution

The fourth proportional to 119,702.88, 165,159.36 and 76,079.52 is: 104,970.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,702.88 : 165,159.36 = 76,079.52 : x
  2. Step 2: Convert to fraction form
    119,702.88/165,159.36 = 76,079.52/x
  3. Step 3: Cross multiply
    119,702.88x = 165,159.36 × 76,079.52
  4. Step 4: Simplify right side
    119,702.88x = 12,565,244,832.31
  5. Step 5: Solve for x
    x = 12,565,244,832.31/119,702.88
  6. Step 6: Final answer
    x = 104,970.28

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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.