Home / 131,794.52-181,876.12-71,365.16

Finding the Fourth Proportional to 131,794.52, 181,876.12 and 71,365.16

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Solution

The fourth proportional to 131,794.52, 181,876.12 and 71,365.16 is: 98,483.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,794.52 : 181,876.12 = 71,365.16 : x
  2. Step 2: Convert to fraction form
    131,794.52/181,876.12 = 71,365.16/x
  3. Step 3: Cross multiply
    131,794.52x = 181,876.12 × 71,365.16
  4. Step 4: Simplify right side
    131,794.52x = 12,979,618,403.98
  5. Step 5: Solve for x
    x = 12,979,618,403.98/131,794.52
  6. Step 6: Final answer
    x = 98,483.75

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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.