Home / 124,887.40-187,331.10-86,833.60

Finding the Fourth Proportional to 124,887.40, 187,331.10 and 86,833.60

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Solution

The fourth proportional to 124,887.40, 187,331.10 and 86,833.60 is: 130,250.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,887.40 : 187,331.10 = 86,833.60 : x
  2. Step 2: Convert to fraction form
    124,887.40/187,331.10 = 86,833.60/x
  3. Step 3: Cross multiply
    124,887.40x = 187,331.10 × 86,833.60
  4. Step 4: Simplify right side
    124,887.40x = 16,266,633,804.96
  5. Step 5: Solve for x
    x = 16,266,633,804.96/124,887.40
  6. Step 6: Final answer
    x = 130,250.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.