Home / 179,627.23-269,462.33-72,988.40

Finding the Fourth Proportional to 179,627.23, 269,462.33 and 72,988.40

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Solution

The fourth proportional to 179,627.23, 269,462.33 and 72,988.40 is: 109,491.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,627.23 : 269,462.33 = 72,988.40 : x
  2. Step 2: Convert to fraction form
    179,627.23/269,462.33 = 72,988.40/x
  3. Step 3: Cross multiply
    179,627.23x = 269,462.33 × 72,988.40
  4. Step 4: Simplify right side
    179,627.23x = 19,667,624,909.39
  5. Step 5: Solve for x
    x = 19,667,624,909.39/179,627.23
  6. Step 6: Final answer
    x = 109,491.33

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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.