Home / 127,325.76-175,587.36-84,285.60

Finding the Fourth Proportional to 127,325.76, 175,587.36 and 84,285.60

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Solution

The fourth proportional to 127,325.76, 175,587.36 and 84,285.60 is: 116,233.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,325.76 : 175,587.36 = 84,285.60 : x
  2. Step 2: Convert to fraction form
    127,325.76/175,587.36 = 84,285.60/x
  3. Step 3: Cross multiply
    127,325.76x = 175,587.36 × 84,285.60
  4. Step 4: Simplify right side
    127,325.76x = 14,799,485,990.02
  5. Step 5: Solve for x
    x = 14,799,485,990.02/127,325.76
  6. Step 6: Final answer
    x = 116,233.24

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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.