Home / 118,837.48-163,995.18-65,122.36

Finding the Fourth Proportional to 118,837.48, 163,995.18 and 65,122.36

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Solution

The fourth proportional to 118,837.48, 163,995.18 and 65,122.36 is: 89,868.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,837.48 : 163,995.18 = 65,122.36 : x
  2. Step 2: Convert to fraction form
    118,837.48/163,995.18 = 65,122.36/x
  3. Step 3: Cross multiply
    118,837.48x = 163,995.18 × 65,122.36
  4. Step 4: Simplify right side
    118,837.48x = 10,679,753,150.22
  5. Step 5: Solve for x
    x = 10,679,753,150.22/118,837.48
  6. Step 6: Final answer
    x = 89,868.56

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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.