Home / 219,085.92-302,352.57-123,557.76

Finding the Fourth Proportional to 219,085.92, 302,352.57 and 123,557.76

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Solution

The fourth proportional to 219,085.92, 302,352.57 and 123,557.76 is: 170,517.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,085.92 : 302,352.57 = 123,557.76 : x
  2. Step 2: Convert to fraction form
    219,085.92/302,352.57 = 123,557.76/x
  3. Step 3: Cross multiply
    219,085.92x = 302,352.57 × 123,557.76
  4. Step 4: Simplify right side
    219,085.92x = 37,358,006,279.44
  5. Step 5: Solve for x
    x = 37,358,006,279.44/219,085.92
  6. Step 6: Final answer
    x = 170,517.60

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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.