Home / 177,455.28-266,195.70-55,865.40

Finding the Fourth Proportional to 177,455.28, 266,195.70 and 55,865.40

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Solution

The fourth proportional to 177,455.28, 266,195.70 and 55,865.40 is: 83,802.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,455.28 : 266,195.70 = 55,865.40 : x
  2. Step 2: Convert to fraction form
    177,455.28/266,195.70 = 55,865.40/x
  3. Step 3: Cross multiply
    177,455.28x = 266,195.70 × 55,865.40
  4. Step 4: Simplify right side
    177,455.28x = 14,871,129,258.78
  5. Step 5: Solve for x
    x = 14,871,129,258.78/177,455.28
  6. Step 6: Final answer
    x = 83,802.12

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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.