Home / 131,613.37-181,625.91-71,184.08

Finding the Fourth Proportional to 131,613.37, 181,625.91 and 71,184.08

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Solution

The fourth proportional to 131,613.37, 181,625.91 and 71,184.08 is: 98,233.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,613.37 : 181,625.91 = 71,184.08 : x
  2. Step 2: Convert to fraction form
    131,613.37/181,625.91 = 71,184.08/x
  3. Step 3: Cross multiply
    131,613.37x = 181,625.91 × 71,184.08
  4. Step 4: Simplify right side
    131,613.37x = 12,928,873,307.51
  5. Step 5: Solve for x
    x = 12,928,873,307.51/131,613.37
  6. Step 6: Final answer
    x = 98,233.74

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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.