Home / 152,314.56-210,175.20-88,663.68

Finding the Fourth Proportional to 152,314.56, 210,175.20 and 88,663.68

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Solution

The fourth proportional to 152,314.56, 210,175.20 and 88,663.68 is: 122,344.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,314.56 : 210,175.20 = 88,663.68 : x
  2. Step 2: Convert to fraction form
    152,314.56/210,175.20 = 88,663.68/x
  3. Step 3: Cross multiply
    152,314.56x = 210,175.20 × 88,663.68
  4. Step 4: Simplify right side
    152,314.56x = 18,634,906,676.74
  5. Step 5: Solve for x
    x = 18,634,906,676.74/152,314.56
  6. Step 6: Final answer
    x = 122,344.88

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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.