Home / 123,351.05-170,228.57-75,595.16

Finding the Fourth Proportional to 123,351.05, 170,228.57 and 75,595.16

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Solution

The fourth proportional to 123,351.05, 170,228.57 and 75,595.16 is: 104,323.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,351.05 : 170,228.57 = 75,595.16 : x
  2. Step 2: Convert to fraction form
    123,351.05/170,228.57 = 75,595.16/x
  3. Step 3: Cross multiply
    123,351.05x = 170,228.57 × 75,595.16
  4. Step 4: Simplify right side
    123,351.05x = 12,868,456,033.32
  5. Step 5: Solve for x
    x = 12,868,456,033.32/123,351.05
  6. Step 6: Final answer
    x = 104,323.84

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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.