Home / 131,623.48-181,640.42-71,194.14

Finding the Fourth Proportional to 131,623.48, 181,640.42 and 71,194.14

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Solution

The fourth proportional to 131,623.48, 181,640.42 and 71,194.14 is: 98,247.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,623.48 : 181,640.42 = 71,194.14 : x
  2. Step 2: Convert to fraction form
    131,623.48/181,640.42 = 71,194.14/x
  3. Step 3: Cross multiply
    131,623.48x = 181,640.42 × 71,194.14
  4. Step 4: Simplify right side
    131,623.48x = 12,931,733,491.14
  5. Step 5: Solve for x
    x = 12,931,733,491.14/131,623.48
  6. Step 6: Final answer
    x = 98,247.92

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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.