Home / 108,864.06-150,220.80-61,122.66

Finding the Fourth Proportional to 108,864.06, 150,220.80 and 61,122.66

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Solution

The fourth proportional to 108,864.06, 150,220.80 and 61,122.66 is: 84,342.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,864.06 : 150,220.80 = 61,122.66 : x
  2. Step 2: Convert to fraction form
    108,864.06/150,220.80 = 61,122.66/x
  3. Step 3: Cross multiply
    108,864.06x = 150,220.80 × 61,122.66
  4. Step 4: Simplify right side
    108,864.06x = 9,181,894,883.33
  5. Step 5: Solve for x
    x = 9,181,894,883.33/108,864.06
  6. Step 6: Final answer
    x = 84,342.76

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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.