Home / 102,718.10-154,077.15-93,532.70

Finding the Fourth Proportional to 102,718.10, 154,077.15 and 93,532.70

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Solution

The fourth proportional to 102,718.10, 154,077.15 and 93,532.70 is: 140,299.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,718.10 : 154,077.15 = 93,532.70 : x
  2. Step 2: Convert to fraction form
    102,718.10/154,077.15 = 93,532.70/x
  3. Step 3: Cross multiply
    102,718.10x = 154,077.15 × 93,532.70
  4. Step 4: Simplify right side
    102,718.10x = 14,411,251,847.81
  5. Step 5: Solve for x
    x = 14,411,251,847.81/102,718.10
  6. Step 6: Final answer
    x = 140,299.05

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1.5x scale

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.