Home / 170,165.78-234,654.71-112,785.17

Finding the Fourth Proportional to 170,165.78, 234,654.71 and 112,785.17

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Solution

The fourth proportional to 170,165.78, 234,654.71 and 112,785.17 is: 155,528.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,165.78 : 234,654.71 = 112,785.17 : x
  2. Step 2: Convert to fraction form
    170,165.78/234,654.71 = 112,785.17/x
  3. Step 3: Cross multiply
    170,165.78x = 234,654.71 × 112,785.17
  4. Step 4: Simplify right side
    170,165.78x = 26,465,572,015.78
  5. Step 5: Solve for x
    x = 26,465,572,015.78/170,165.78
  6. Step 6: Final answer
    x = 155,528.17

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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.