Home / 230,595.12-318,221.40-124,611.12

Finding the Fourth Proportional to 230,595.12, 318,221.40 and 124,611.12

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Solution

The fourth proportional to 230,595.12, 318,221.40 and 124,611.12 is: 171,963.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,595.12 : 318,221.40 = 124,611.12 : x
  2. Step 2: Convert to fraction form
    230,595.12/318,221.40 = 124,611.12/x
  3. Step 3: Cross multiply
    230,595.12x = 318,221.40 × 124,611.12
  4. Step 4: Simplify right side
    230,595.12x = 39,653,925,061.97
  5. Step 5: Solve for x
    x = 39,653,925,061.97/230,595.12
  6. Step 6: Final answer
    x = 171,963.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.