Home / 234,393.95-323,440.48-131,008.79

Finding the Fourth Proportional to 234,393.95, 323,440.48 and 131,008.79

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Solution

The fourth proportional to 234,393.95, 323,440.48 and 131,008.79 is: 180,779.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,393.95 : 323,440.48 = 131,008.79 : x
  2. Step 2: Convert to fraction form
    234,393.95/323,440.48 = 131,008.79/x
  3. Step 3: Cross multiply
    234,393.95x = 323,440.48 × 131,008.79
  4. Step 4: Simplify right side
    234,393.95x = 42,373,545,921.82
  5. Step 5: Solve for x
    x = 42,373,545,921.82/234,393.95
  6. Step 6: Final answer
    x = 180,779.18

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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.