Home / 239,595.12-330,770.76-144,123.12

Finding the Fourth Proportional to 239,595.12, 330,770.76 and 144,123.12

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Solution

The fourth proportional to 239,595.12, 330,770.76 and 144,123.12 is: 198,967.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,595.12 : 330,770.76 = 144,123.12 : x
  2. Step 2: Convert to fraction form
    239,595.12/330,770.76 = 144,123.12/x
  3. Step 3: Cross multiply
    239,595.12x = 330,770.76 × 144,123.12
  4. Step 4: Simplify right side
    239,595.12x = 47,671,713,935.97
  5. Step 5: Solve for x
    x = 47,671,713,935.97/239,595.12
  6. Step 6: Final answer
    x = 198,967.80

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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.