Home / 152,720.16-229,087.44-126,016.62

Finding the Fourth Proportional to 152,720.16, 229,087.44 and 126,016.62

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Solution

The fourth proportional to 152,720.16, 229,087.44 and 126,016.62 is: 189,030.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,720.16 : 229,087.44 = 126,016.62 : x
  2. Step 2: Convert to fraction form
    152,720.16/229,087.44 = 126,016.62/x
  3. Step 3: Cross multiply
    152,720.16x = 229,087.44 × 126,016.62
  4. Step 4: Simplify right side
    152,720.16x = 28,868,824,873.25
  5. Step 5: Solve for x
    x = 28,868,824,873.25/152,720.16
  6. Step 6: Final answer
    x = 189,030.87

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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.