Home / 207,620.20-286,511.14-127,047.48

Finding the Fourth Proportional to 207,620.20, 286,511.14 and 127,047.48

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Solution

The fourth proportional to 207,620.20, 286,511.14 and 127,047.48 is: 175,322.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,620.20 : 286,511.14 = 127,047.48 : x
  2. Step 2: Convert to fraction form
    207,620.20/286,511.14 = 127,047.48/x
  3. Step 3: Cross multiply
    207,620.20x = 286,511.14 × 127,047.48
  4. Step 4: Simplify right side
    207,620.20x = 36,400,518,328.93
  5. Step 5: Solve for x
    x = 36,400,518,328.93/207,620.20
  6. Step 6: Final answer
    x = 175,322.62

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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.