Home / 153,265.24-230,029.08-86,770.72

Finding the Fourth Proportional to 153,265.24, 230,029.08 and 86,770.72

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Solution

The fourth proportional to 153,265.24, 230,029.08 and 86,770.72 is: 130,230.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,265.24 : 230,029.08 = 86,770.72 : x
  2. Step 2: Convert to fraction form
    153,265.24/230,029.08 = 86,770.72/x
  3. Step 3: Cross multiply
    153,265.24x = 230,029.08 × 86,770.72
  4. Step 4: Simplify right side
    153,265.24x = 19,959,788,892.54
  5. Step 5: Solve for x
    x = 19,959,788,892.54/153,265.24
  6. Step 6: Final answer
    x = 130,230.37

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1.5x scale

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.