Home / 147,233.16-220,571.10-87,081.48

Finding the Fourth Proportional to 147,233.16, 220,571.10 and 87,081.48

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Solution

The fourth proportional to 147,233.16, 220,571.10 and 87,081.48 is: 130,457.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,233.16 : 220,571.10 = 87,081.48 : x
  2. Step 2: Convert to fraction form
    147,233.16/220,571.10 = 87,081.48/x
  3. Step 3: Cross multiply
    147,233.16x = 220,571.10 × 87,081.48
  4. Step 4: Simplify right side
    147,233.16x = 19,207,657,833.23
  5. Step 5: Solve for x
    x = 19,207,657,833.23/147,233.16
  6. Step 6: Final answer
    x = 130,457.42

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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.