Home / 207,246.10-310,869.15-57,486.10

Finding the Fourth Proportional to 207,246.10, 310,869.15 and 57,486.10

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Solution

The fourth proportional to 207,246.10, 310,869.15 and 57,486.10 is: 86,229.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,246.10 : 310,869.15 = 57,486.10 : x
  2. Step 2: Convert to fraction form
    207,246.10/310,869.15 = 57,486.10/x
  3. Step 3: Cross multiply
    207,246.10x = 310,869.15 × 57,486.10
  4. Step 4: Simplify right side
    207,246.10x = 17,870,655,043.82
  5. Step 5: Solve for x
    x = 17,870,655,043.82/207,246.10
  6. Step 6: Final answer
    x = 86,229.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.