Home / 437,955.18-656,931.33-105,531.18

Finding the Fourth Proportional to 437,955.18, 656,931.33 and 105,531.18

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Solution

The fourth proportional to 437,955.18, 656,931.33 and 105,531.18 is: 158,296.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,955.18 : 656,931.33 = 105,531.18 : x
  2. Step 2: Convert to fraction form
    437,955.18/656,931.33 = 105,531.18/x
  3. Step 3: Cross multiply
    437,955.18x = 656,931.33 × 105,531.18
  4. Step 4: Simplify right side
    437,955.18x = 69,326,738,433.87
  5. Step 5: Solve for x
    x = 69,326,738,433.87/437,955.18
  6. Step 6: Final answer
    x = 158,296.42

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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.