Home / 170,166.53-234,655.75-112,785.92

Finding the Fourth Proportional to 170,166.53, 234,655.75 and 112,785.92

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Solution

The fourth proportional to 170,166.53, 234,655.75 and 112,785.92 is: 155,529.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,166.53 : 234,655.75 = 112,785.92 : x
  2. Step 2: Convert to fraction form
    170,166.53/234,655.75 = 112,785.92/x
  3. Step 3: Cross multiply
    170,166.53x = 234,655.75 × 112,785.92
  4. Step 4: Simplify right side
    170,166.53x = 26,465,864,951.71
  5. Step 5: Solve for x
    x = 26,465,864,951.71/170,166.53
  6. Step 6: Final answer
    x = 155,529.21

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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.