Home / 181,075.32-271,613.02-68,755.64

Finding the Fourth Proportional to 181,075.32, 271,613.02 and 68,755.64

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Solution

The fourth proportional to 181,075.32, 271,613.02 and 68,755.64 is: 103,133.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,075.32 : 271,613.02 = 68,755.64 : x
  2. Step 2: Convert to fraction form
    181,075.32/271,613.02 = 68,755.64/x
  3. Step 3: Cross multiply
    181,075.32x = 271,613.02 × 68,755.64
  4. Step 4: Simplify right side
    181,075.32x = 18,674,925,814.77
  5. Step 5: Solve for x
    x = 18,674,925,814.77/181,075.32
  6. Step 6: Final answer
    x = 103,133.47

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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.