Home / 140,417.01-193,793.61-80,009.34

Finding the Fourth Proportional to 140,417.01, 193,793.61 and 80,009.34

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Solution

The fourth proportional to 140,417.01, 193,793.61 and 80,009.34 is: 110,423.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,417.01 : 193,793.61 = 80,009.34 : x
  2. Step 2: Convert to fraction form
    140,417.01/193,793.61 = 80,009.34/x
  3. Step 3: Cross multiply
    140,417.01x = 193,793.61 × 80,009.34
  4. Step 4: Simplify right side
    140,417.01x = 15,505,298,405.63
  5. Step 5: Solve for x
    x = 15,505,298,405.63/140,417.01
  6. Step 6: Final answer
    x = 110,423.22

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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.