Home / 127,657.48-176,188.36-97,385.64

Finding the Fourth Proportional to 127,657.48, 176,188.36 and 97,385.64

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Solution

The fourth proportional to 127,657.48, 176,188.36 and 97,385.64 is: 134,408.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,657.48 : 176,188.36 = 97,385.64 : x
  2. Step 2: Convert to fraction form
    127,657.48/176,188.36 = 97,385.64/x
  3. Step 3: Cross multiply
    127,657.48x = 176,188.36 × 97,385.64
  4. Step 4: Simplify right side
    127,657.48x = 17,158,216,199.15
  5. Step 5: Solve for x
    x = 17,158,216,199.15/127,657.48
  6. Step 6: Final answer
    x = 134,408.23

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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.