Home / 207,621.03-286,517.03-112,127.70

Finding the Fourth Proportional to 207,621.03, 286,517.03 and 112,127.70

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Solution

The fourth proportional to 207,621.03, 286,517.03 and 112,127.70 is: 154,736.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,621.03 : 286,517.03 = 112,127.70 : x
  2. Step 2: Convert to fraction form
    207,621.03/286,517.03 = 112,127.70/x
  3. Step 3: Cross multiply
    207,621.03x = 286,517.03 × 112,127.70
  4. Step 4: Simplify right side
    207,621.03x = 32,126,495,024.09
  5. Step 5: Solve for x
    x = 32,126,495,024.09/207,621.03
  6. Step 6: Final answer
    x = 154,736.23

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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.