Home / 177,865.40-266,474.10-140,670.20

Finding the Fourth Proportional to 177,865.40, 266,474.10 and 140,670.20

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Solution

The fourth proportional to 177,865.40, 266,474.10 and 140,670.20 is: 210,749.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,865.40 : 266,474.10 = 140,670.20 : x
  2. Step 2: Convert to fraction form
    177,865.40/266,474.10 = 140,670.20/x
  3. Step 3: Cross multiply
    177,865.40x = 266,474.10 × 140,670.20
  4. Step 4: Simplify right side
    177,865.40x = 37,484,964,941.82
  5. Step 5: Solve for x
    x = 37,484,964,941.82/177,865.40
  6. Step 6: Final answer
    x = 210,749.05

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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.