Home / 112,171.90-168,139.68-37,271.92

Finding the Fourth Proportional to 112,171.90, 168,139.68 and 37,271.92

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Solution

The fourth proportional to 112,171.90, 168,139.68 and 37,271.92 is: 55,868.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,171.90 : 168,139.68 = 37,271.92 : x
  2. Step 2: Convert to fraction form
    112,171.90/168,139.68 = 37,271.92/x
  3. Step 3: Cross multiply
    112,171.90x = 168,139.68 × 37,271.92
  4. Step 4: Simplify right side
    112,171.90x = 6,266,888,701.79
  5. Step 5: Solve for x
    x = 6,266,888,701.79/112,171.90
  6. Step 6: Final answer
    x = 55,868.62

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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.