Home / 232,561.80-320,931.20-130,588.07

Finding the Fourth Proportional to 232,561.80, 320,931.20 and 130,588.07

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Solution

The fourth proportional to 232,561.80, 320,931.20 and 130,588.07 is: 180,209.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    232,561.80 : 320,931.20 = 130,588.07 : x
  2. Step 2: Convert to fraction form
    232,561.80/320,931.20 = 130,588.07/x
  3. Step 3: Cross multiply
    232,561.80x = 320,931.20 × 130,588.07
  4. Step 4: Simplify right side
    232,561.80x = 41,909,783,753.19
  5. Step 5: Solve for x
    x = 41,909,783,753.19/232,561.80
  6. Step 6: Final answer
    x = 180,209.23

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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.