Home / 152,679.74-210,687.38-88,151.54

Finding the Fourth Proportional to 152,679.74, 210,687.38 and 88,151.54

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Solution

The fourth proportional to 152,679.74, 210,687.38 and 88,151.54 is: 121,642.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,679.74 : 210,687.38 = 88,151.54 : x
  2. Step 2: Convert to fraction form
    152,679.74/210,687.38 = 88,151.54/x
  3. Step 3: Cross multiply
    152,679.74x = 210,687.38 × 88,151.54
  4. Step 4: Simplify right side
    152,679.74x = 18,572,417,005.57
  5. Step 5: Solve for x
    x = 18,572,417,005.57/152,679.74
  6. Step 6: Final answer
    x = 121,642.97

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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.