Home / 153,973.80-230,766.30-74,917.80

Finding the Fourth Proportional to 153,973.80, 230,766.30 and 74,917.80

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Solution

The fourth proportional to 153,973.80, 230,766.30 and 74,917.80 is: 112,282.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,973.80 : 230,766.30 = 74,917.80 : x
  2. Step 2: Convert to fraction form
    153,973.80/230,766.30 = 74,917.80/x
  3. Step 3: Cross multiply
    153,973.80x = 230,766.30 × 74,917.80
  4. Step 4: Simplify right side
    153,973.80x = 17,288,503,510.14
  5. Step 5: Solve for x
    x = 17,288,503,510.14/153,973.80
  6. Step 6: Final answer
    x = 112,282.11

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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.