Home / 153,205.90-229,830.39-40,889.79

Finding the Fourth Proportional to 153,205.90, 229,830.39 and 40,889.79

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Solution

The fourth proportional to 153,205.90, 229,830.39 and 40,889.79 is: 61,340.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,205.90 : 229,830.39 = 40,889.79 : x
  2. Step 2: Convert to fraction form
    153,205.90/229,830.39 = 40,889.79/x
  3. Step 3: Cross multiply
    153,205.90x = 229,830.39 × 40,889.79
  4. Step 4: Simplify right side
    153,205.90x = 9,397,716,382.72
  5. Step 5: Solve for x
    x = 9,397,716,382.72/153,205.90
  6. Step 6: Final answer
    x = 61,340.43

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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.