Home / 177,218.10-265,750.35-72,002.10

Finding the Fourth Proportional to 177,218.10, 265,750.35 and 72,002.10

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Solution

The fourth proportional to 177,218.10, 265,750.35 and 72,002.10 is: 107,971.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,218.10 : 265,750.35 = 72,002.10 : x
  2. Step 2: Convert to fraction form
    177,218.10/265,750.35 = 72,002.10/x
  3. Step 3: Cross multiply
    177,218.10x = 265,750.35 × 72,002.10
  4. Step 4: Simplify right side
    177,218.10x = 19,134,583,275.74
  5. Step 5: Solve for x
    x = 19,134,583,275.74/177,218.10
  6. Step 6: Final answer
    x = 107,971.95

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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.