Home / 177,977.17-267,009.45-53,318.17

Finding the Fourth Proportional to 177,977.17, 267,009.45 and 53,318.17

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Solution

The fourth proportional to 177,977.17, 267,009.45 and 53,318.17 is: 79,990.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,977.17 : 267,009.45 = 53,318.17 : x
  2. Step 2: Convert to fraction form
    177,977.17/267,009.45 = 53,318.17/x
  3. Step 3: Cross multiply
    177,977.17x = 267,009.45 × 53,318.17
  4. Step 4: Simplify right side
    177,977.17x = 14,236,455,246.71
  5. Step 5: Solve for x
    x = 14,236,455,246.71/177,977.17
  6. Step 6: Final answer
    x = 79,990.35

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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.