Home / 246,637.85-369,967.16-78,154.47

Finding the Fourth Proportional to 246,637.85, 369,967.16 and 78,154.47

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Solution

The fourth proportional to 246,637.85, 369,967.16 and 78,154.47 is: 117,235.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    246,637.85 : 369,967.16 = 78,154.47 : x
  2. Step 2: Convert to fraction form
    246,637.85/369,967.16 = 78,154.47/x
  3. Step 3: Cross multiply
    246,637.85x = 369,967.16 × 78,154.47
  4. Step 4: Simplify right side
    246,637.85x = 28,914,587,502.59
  5. Step 5: Solve for x
    x = 28,914,587,502.59/246,637.85
  6. Step 6: Final answer
    x = 117,235.00

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.