Home / 103,510.25-154,497.46-89,217.53

Finding the Fourth Proportional to 103,510.25, 154,497.46 and 89,217.53

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Solution

The fourth proportional to 103,510.25, 154,497.46 and 89,217.53 is: 133,164.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,510.25 : 154,497.46 = 89,217.53 : x
  2. Step 2: Convert to fraction form
    103,510.25/154,497.46 = 89,217.53/x
  3. Step 3: Cross multiply
    103,510.25x = 154,497.46 × 89,217.53
  4. Step 4: Simplify right side
    103,510.25x = 13,783,880,776.94
  5. Step 5: Solve for x
    x = 13,783,880,776.94/103,510.25
  6. Step 6: Final answer
    x = 133,164.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.