Home / 232,173.77-320,403.47-130,221.90

Finding the Fourth Proportional to 232,173.77, 320,403.47 and 130,221.90

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Solution

The fourth proportional to 232,173.77, 320,403.47 and 130,221.90 is: 179,708.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    232,173.77 : 320,403.47 = 130,221.90 : x
  2. Step 2: Convert to fraction form
    232,173.77/320,403.47 = 130,221.90/x
  3. Step 3: Cross multiply
    232,173.77x = 320,403.47 × 130,221.90
  4. Step 4: Simplify right side
    232,173.77x = 41,723,547,978.88
  5. Step 5: Solve for x
    x = 41,723,547,978.88/232,173.77
  6. Step 6: Final answer
    x = 179,708.28

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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.