Home / 131,623.69-181,640.01-71,194.27

Finding the Fourth Proportional to 131,623.69, 181,640.01 and 71,194.27

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Solution

The fourth proportional to 131,623.69, 181,640.01 and 71,194.27 is: 98,247.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,623.69 : 181,640.01 = 71,194.27 : x
  2. Step 2: Convert to fraction form
    131,623.69/181,640.01 = 71,194.27/x
  3. Step 3: Cross multiply
    131,623.69x = 181,640.01 × 71,194.27
  4. Step 4: Simplify right side
    131,623.69x = 12,931,727,914.74
  5. Step 5: Solve for x
    x = 12,931,727,914.74/131,623.69
  6. Step 6: Final answer
    x = 98,247.72

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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.