Home / 147,155.19-203,068.18-83,491.62

Finding the Fourth Proportional to 147,155.19, 203,068.18 and 83,491.62

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Solution

The fourth proportional to 147,155.19, 203,068.18 and 83,491.62 is: 115,215.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,155.19 : 203,068.18 = 83,491.62 : x
  2. Step 2: Convert to fraction form
    147,155.19/203,068.18 = 83,491.62/x
  3. Step 3: Cross multiply
    147,155.19x = 203,068.18 × 83,491.62
  4. Step 4: Simplify right side
    147,155.19x = 16,954,491,318.65
  5. Step 5: Solve for x
    x = 16,954,491,318.65/147,155.19
  6. Step 6: Final answer
    x = 115,215.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.