Home / 124,348.06-171,678.70-88,126.32

Finding the Fourth Proportional to 124,348.06, 171,678.70 and 88,126.32

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Solution

The fourth proportional to 124,348.06, 171,678.70 and 88,126.32 is: 121,669.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,348.06 : 171,678.70 = 88,126.32 : x
  2. Step 2: Convert to fraction form
    124,348.06/171,678.70 = 88,126.32/x
  3. Step 3: Cross multiply
    124,348.06x = 171,678.70 × 88,126.32
  4. Step 4: Simplify right side
    124,348.06x = 15,129,412,053.38
  5. Step 5: Solve for x
    x = 15,129,412,053.38/124,348.06
  6. Step 6: Final answer
    x = 121,669.87

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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.