Home / 207,205.32-310,139.46-107,228.10

Finding the Fourth Proportional to 207,205.32, 310,139.46 and 107,228.10

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Solution

The fourth proportional to 207,205.32, 310,139.46 and 107,228.10 is: 160,496.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,205.32 : 310,139.46 = 107,228.10 : x
  2. Step 2: Convert to fraction form
    207,205.32/310,139.46 = 107,228.10/x
  3. Step 3: Cross multiply
    207,205.32x = 310,139.46 × 107,228.10
  4. Step 4: Simplify right side
    207,205.32x = 33,255,665,030.83
  5. Step 5: Solve for x
    x = 33,255,665,030.83/207,205.32
  6. Step 6: Final answer
    x = 160,496.19

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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.