Home / 179,282.40-268,340.40-139,624.80

Finding the Fourth Proportional to 179,282.40, 268,340.40 and 139,624.80

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Solution

The fourth proportional to 179,282.40, 268,340.40 and 139,624.80 is: 208,983.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,282.40 : 268,340.40 = 139,624.80 : x
  2. Step 2: Convert to fraction form
    179,282.40/268,340.40 = 139,624.80/x
  3. Step 3: Cross multiply
    179,282.40x = 268,340.40 × 139,624.80
  4. Step 4: Simplify right side
    179,282.40x = 37,466,974,681.92
  5. Step 5: Solve for x
    x = 37,466,974,681.92/179,282.40
  6. Step 6: Final answer
    x = 208,983.00

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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.