Home / 127,353.66-175,749.64-69,999.24

Finding the Fourth Proportional to 127,353.66, 175,749.64 and 69,999.24

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Solution

The fourth proportional to 127,353.66, 175,749.64 and 69,999.24 is: 96,599.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,353.66 : 175,749.64 = 69,999.24 : x
  2. Step 2: Convert to fraction form
    127,353.66/175,749.64 = 69,999.24/x
  3. Step 3: Cross multiply
    127,353.66x = 175,749.64 × 69,999.24
  4. Step 4: Simplify right side
    127,353.66x = 12,302,341,230.27
  5. Step 5: Solve for x
    x = 12,302,341,230.27/127,353.66
  6. Step 6: Final answer
    x = 96,599.82

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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.