Home / 127,702.85-191,355.62-48,774.02

Finding the Fourth Proportional to 127,702.85, 191,355.62 and 48,774.02

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Solution

The fourth proportional to 127,702.85, 191,355.62 and 48,774.02 is: 73,085.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,702.85 : 191,355.62 = 48,774.02 : x
  2. Step 2: Convert to fraction form
    127,702.85/191,355.62 = 48,774.02/x
  3. Step 3: Cross multiply
    127,702.85x = 191,355.62 × 48,774.02
  4. Step 4: Simplify right side
    127,702.85x = 9,333,181,636.34
  5. Step 5: Solve for x
    x = 9,333,181,636.34/127,702.85
  6. Step 6: Final answer
    x = 73,085.15

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.