Home / 179,729.80-269,594.70-86,187.40

Finding the Fourth Proportional to 179,729.80, 269,594.70 and 86,187.40

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Solution

The fourth proportional to 179,729.80, 269,594.70 and 86,187.40 is: 129,281.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,729.80 : 269,594.70 = 86,187.40 : x
  2. Step 2: Convert to fraction form
    179,729.80/269,594.70 = 86,187.40/x
  3. Step 3: Cross multiply
    179,729.80x = 269,594.70 × 86,187.40
  4. Step 4: Simplify right side
    179,729.80x = 23,235,666,246.78
  5. Step 5: Solve for x
    x = 23,235,666,246.78/179,729.80
  6. Step 6: Final answer
    x = 129,281.10

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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.