Home / 191,534.01-287,101.36-107,170.48

Finding the Fourth Proportional to 191,534.01, 287,101.36 and 107,170.48

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Solution

The fourth proportional to 191,534.01, 287,101.36 and 107,170.48 is: 160,644.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,534.01 : 287,101.36 = 107,170.48 : x
  2. Step 2: Convert to fraction form
    191,534.01/287,101.36 = 107,170.48/x
  3. Step 3: Cross multiply
    191,534.01x = 287,101.36 × 107,170.48
  4. Step 4: Simplify right side
    191,534.01x = 30,768,790,559.85
  5. Step 5: Solve for x
    x = 30,768,790,559.85/191,534.01
  6. Step 6: Final answer
    x = 160,644.01

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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.