Home / 122,887.64-169,585.30-69,173.48

Finding the Fourth Proportional to 122,887.64, 169,585.30 and 69,173.48

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Solution

The fourth proportional to 122,887.64, 169,585.30 and 69,173.48 is: 95,459.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,887.64 : 169,585.30 = 69,173.48 : x
  2. Step 2: Convert to fraction form
    122,887.64/169,585.30 = 69,173.48/x
  3. Step 3: Cross multiply
    122,887.64x = 169,585.30 × 69,173.48
  4. Step 4: Simplify right side
    122,887.64x = 11,730,805,357.84
  5. Step 5: Solve for x
    x = 11,730,805,357.84/122,887.64
  6. Step 6: Final answer
    x = 95,459.60

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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.