Home / 191,534.51-287,102.12-107,170.98

Finding the Fourth Proportional to 191,534.51, 287,102.12 and 107,170.98

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Solution

The fourth proportional to 191,534.51, 287,102.12 and 107,170.98 is: 160,644.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,534.51 : 287,102.12 = 107,170.98 : x
  2. Step 2: Convert to fraction form
    191,534.51/287,102.12 = 107,170.98/x
  3. Step 3: Cross multiply
    191,534.51x = 287,102.12 × 107,170.98
  4. Step 4: Simplify right side
    191,534.51x = 30,769,015,024.62
  5. Step 5: Solve for x
    x = 30,769,015,024.62/191,534.51
  6. Step 6: Final answer
    x = 160,644.76

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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.