Home / 152,531.96-228,661.86-77,610.20

Finding the Fourth Proportional to 152,531.96, 228,661.86 and 77,610.20

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Solution

The fourth proportional to 152,531.96, 228,661.86 and 77,610.20 is: 116,346.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,531.96 : 228,661.86 = 77,610.20 : x
  2. Step 2: Convert to fraction form
    152,531.96/228,661.86 = 77,610.20/x
  3. Step 3: Cross multiply
    152,531.96x = 228,661.86 × 77,610.20
  4. Step 4: Simplify right side
    152,531.96x = 17,746,492,686.97
  5. Step 5: Solve for x
    x = 17,746,492,686.97/152,531.96
  6. Step 6: Final answer
    x = 116,346.06

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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.