Home / 191,207.06-263,854.90-106,322.30

Finding the Fourth Proportional to 191,207.06, 263,854.90 and 106,322.30

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Solution

The fourth proportional to 191,207.06, 263,854.90 and 106,322.30 is: 146,718.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,207.06 : 263,854.90 = 106,322.30 : x
  2. Step 2: Convert to fraction form
    191,207.06/263,854.90 = 106,322.30/x
  3. Step 3: Cross multiply
    191,207.06x = 263,854.90 × 106,322.30
  4. Step 4: Simplify right side
    191,207.06x = 28,053,659,834.27
  5. Step 5: Solve for x
    x = 28,053,659,834.27/191,207.06
  6. Step 6: Final answer
    x = 146,718.74

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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.