Home / 219,077.19-302,340.60-123,581.79

Finding the Fourth Proportional to 219,077.19, 302,340.60 and 123,581.79

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Solution

The fourth proportional to 219,077.19, 302,340.60 and 123,581.79 is: 170,550.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,077.19 : 302,340.60 = 123,581.79 : x
  2. Step 2: Convert to fraction form
    219,077.19/302,340.60 = 123,581.79/x
  3. Step 3: Cross multiply
    219,077.19x = 302,340.60 × 123,581.79
  4. Step 4: Simplify right side
    219,077.19x = 37,363,792,537.67
  5. Step 5: Solve for x
    x = 37,363,792,537.67/219,077.19
  6. Step 6: Final answer
    x = 170,550.81

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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.