Home / 191,453.12-287,238.24-98,024.96

Finding the Fourth Proportional to 191,453.12, 287,238.24 and 98,024.96

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Solution

The fourth proportional to 191,453.12, 287,238.24 and 98,024.96 is: 147,067.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,453.12 : 287,238.24 = 98,024.96 : x
  2. Step 2: Convert to fraction form
    191,453.12/287,238.24 = 98,024.96/x
  3. Step 3: Cross multiply
    191,453.12x = 287,238.24 × 98,024.96
  4. Step 4: Simplify right side
    191,453.12x = 28,156,516,986.47
  5. Step 5: Solve for x
    x = 28,156,516,986.47/191,453.12
  6. Step 6: Final answer
    x = 147,067.42

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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.