Home / 112,097.76-167,403.61-98,516.49

Finding the Fourth Proportional to 112,097.76, 167,403.61 and 98,516.49

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Solution

The fourth proportional to 112,097.76, 167,403.61 and 98,516.49 is: 147,121.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,097.76 : 167,403.61 = 98,516.49 : x
  2. Step 2: Convert to fraction form
    112,097.76/167,403.61 = 98,516.49/x
  3. Step 3: Cross multiply
    112,097.76x = 167,403.61 × 98,516.49
  4. Step 4: Simplify right side
    112,097.76x = 16,492,016,070.53
  5. Step 5: Solve for x
    x = 16,492,016,070.53/112,097.76
  6. Step 6: Final answer
    x = 147,121.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.