Home / 167,979.90-231,812.28-92,528.40

Finding the Fourth Proportional to 167,979.90, 231,812.28 and 92,528.40

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Solution

The fourth proportional to 167,979.90, 231,812.28 and 92,528.40 is: 127,689.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,979.90 : 231,812.28 = 92,528.40 : x
  2. Step 2: Convert to fraction form
    167,979.90/231,812.28 = 92,528.40/x
  3. Step 3: Cross multiply
    167,979.90x = 231,812.28 × 92,528.40
  4. Step 4: Simplify right side
    167,979.90x = 21,449,219,368.75
  5. Step 5: Solve for x
    x = 21,449,219,368.75/167,979.90
  6. Step 6: Final answer
    x = 127,689.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.