Home / 232,400.37-320,718.87-130,432.15

Finding the Fourth Proportional to 232,400.37, 320,718.87 and 130,432.15

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Solution

The fourth proportional to 232,400.37, 320,718.87 and 130,432.15 is: 179,999.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    232,400.37 : 320,718.87 = 130,432.15 : x
  2. Step 2: Convert to fraction form
    232,400.37/320,718.87 = 130,432.15/x
  3. Step 3: Cross multiply
    232,400.37x = 320,718.87 × 130,432.15
  4. Step 4: Simplify right side
    232,400.37x = 41,832,051,759.67
  5. Step 5: Solve for x
    x = 41,832,051,759.67/232,400.37
  6. Step 6: Final answer
    x = 179,999.94

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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.