Home / 246,061.52-339,566.06-138,633.20

Finding the Fourth Proportional to 246,061.52, 339,566.06 and 138,633.20

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Solution

The fourth proportional to 246,061.52, 339,566.06 and 138,633.20 is: 191,314.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    246,061.52 : 339,566.06 = 138,633.20 : x
  2. Step 2: Convert to fraction form
    246,061.52/339,566.06 = 138,633.20/x
  3. Step 3: Cross multiply
    246,061.52x = 339,566.06 × 138,633.20
  4. Step 4: Simplify right side
    246,061.52x = 47,075,129,509.19
  5. Step 5: Solve for x
    x = 47,075,129,509.19/246,061.52
  6. Step 6: Final answer
    x = 191,314.47

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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.