Home / 103,772.10-155,658.15-94,586.70

Finding the Fourth Proportional to 103,772.10, 155,658.15 and 94,586.70

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Solution

The fourth proportional to 103,772.10, 155,658.15 and 94,586.70 is: 141,880.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,772.10 : 155,658.15 = 94,586.70 : x
  2. Step 2: Convert to fraction form
    103,772.10/155,658.15 = 94,586.70/x
  3. Step 3: Cross multiply
    103,772.10x = 155,658.15 × 94,586.70
  4. Step 4: Simplify right side
    103,772.10x = 14,723,190,736.61
  5. Step 5: Solve for x
    x = 14,723,190,736.61/103,772.10
  6. Step 6: Final answer
    x = 141,880.05

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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.