Home / 191,177.55-263,824.16-106,289.55

Finding the Fourth Proportional to 191,177.55, 263,824.16 and 106,289.55

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Solution

The fourth proportional to 191,177.55, 263,824.16 and 106,289.55 is: 146,679.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,177.55 : 263,824.16 = 106,289.55 : x
  2. Step 2: Convert to fraction form
    191,177.55/263,824.16 = 106,289.55/x
  3. Step 3: Cross multiply
    191,177.55x = 263,824.16 × 106,289.55
  4. Step 4: Simplify right side
    191,177.55x = 28,041,750,714.08
  5. Step 5: Solve for x
    x = 28,041,750,714.08/191,177.55
  6. Step 6: Final answer
    x = 146,679.10

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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.