Home / 437,962.59-656,942.67-105,538.59

Finding the Fourth Proportional to 437,962.59, 656,942.67 and 105,538.59

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Solution

The fourth proportional to 437,962.59, 656,942.67 and 105,538.59 is: 158,307.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,962.59 : 656,942.67 = 105,538.59 : x
  2. Step 2: Convert to fraction form
    437,962.59/656,942.67 = 105,538.59/x
  3. Step 3: Cross multiply
    437,962.59x = 656,942.67 × 105,538.59
  4. Step 4: Simplify right side
    437,962.59x = 69,332,803,102.64
  5. Step 5: Solve for x
    x = 69,332,803,102.64/437,962.59
  6. Step 6: Final answer
    x = 158,307.59

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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.