Home / 154,042.98-212,589.29-86,060.32

Finding the Fourth Proportional to 154,042.98, 212,589.29 and 86,060.32

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Solution

The fourth proportional to 154,042.98, 212,589.29 and 86,060.32 is: 118,768.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,042.98 : 212,589.29 = 86,060.32 : x
  2. Step 2: Convert to fraction form
    154,042.98/212,589.29 = 86,060.32/x
  3. Step 3: Cross multiply
    154,042.98x = 212,589.29 × 86,060.32
  4. Step 4: Simplify right side
    154,042.98x = 18,295,502,325.97
  5. Step 5: Solve for x
    x = 18,295,502,325.97/154,042.98
  6. Step 6: Final answer
    x = 118,768.82

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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.