Home / 236,172.98-354,182.73-78,359.06

Finding the Fourth Proportional to 236,172.98, 354,182.73 and 78,359.06

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Solution

The fourth proportional to 236,172.98, 354,182.73 and 78,359.06 is: 117,513.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,172.98 : 354,182.73 = 78,359.06 : x
  2. Step 2: Convert to fraction form
    236,172.98/354,182.73 = 78,359.06/x
  3. Step 3: Cross multiply
    236,172.98x = 354,182.73 × 78,359.06
  4. Step 4: Simplify right side
    236,172.98x = 27,753,426,382.64
  5. Step 5: Solve for x
    x = 27,753,426,382.64/236,172.98
  6. Step 6: Final answer
    x = 117,513.13

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1.5x scale

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.