Home / 153,682.62-212,075.46-113,381.88

Finding the Fourth Proportional to 153,682.62, 212,075.46 and 113,381.88

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Solution

The fourth proportional to 153,682.62, 212,075.46 and 113,381.88 is: 156,462.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,682.62 : 212,075.46 = 113,381.88 : x
  2. Step 2: Convert to fraction form
    153,682.62/212,075.46 = 113,381.88/x
  3. Step 3: Cross multiply
    153,682.62x = 212,075.46 × 113,381.88
  4. Step 4: Simplify right side
    153,682.62x = 24,045,514,356.66
  5. Step 5: Solve for x
    x = 24,045,514,356.66/153,682.62
  6. Step 6: Final answer
    x = 156,462.16

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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.