Home / 104,916.60-157,374.90-100,834.20

Finding the Fourth Proportional to 104,916.60, 157,374.90 and 100,834.20

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Solution

The fourth proportional to 104,916.60, 157,374.90 and 100,834.20 is: 151,251.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,916.60 : 157,374.90 = 100,834.20 : x
  2. Step 2: Convert to fraction form
    104,916.60/157,374.90 = 100,834.20/x
  3. Step 3: Cross multiply
    104,916.60x = 157,374.90 × 100,834.20
  4. Step 4: Simplify right side
    104,916.60x = 15,868,772,141.58
  5. Step 5: Solve for x
    x = 15,868,772,141.58/104,916.60
  6. Step 6: Final answer
    x = 151,251.30

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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.