Home / 261,937.02-361,516.56-154,533.44

Finding the Fourth Proportional to 261,937.02, 361,516.56 and 154,533.44

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Solution

The fourth proportional to 261,937.02, 361,516.56 and 154,533.44 is: 213,281.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,937.02 : 361,516.56 = 154,533.44 : x
  2. Step 2: Convert to fraction form
    261,937.02/361,516.56 = 154,533.44/x
  3. Step 3: Cross multiply
    261,937.02x = 361,516.56 × 154,533.44
  4. Step 4: Simplify right side
    261,937.02x = 55,866,397,633.77
  5. Step 5: Solve for x
    x = 55,866,397,633.77/261,937.02
  6. Step 6: Final answer
    x = 213,281.79

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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.