Home / 219,098.73-302,370.08-123,570.57

Finding the Fourth Proportional to 219,098.73, 302,370.08 and 123,570.57

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Solution

The fourth proportional to 219,098.73, 302,370.08 and 123,570.57 is: 170,535.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,098.73 : 302,370.08 = 123,570.57 : x
  2. Step 2: Convert to fraction form
    219,098.73/302,370.08 = 123,570.57/x
  3. Step 3: Cross multiply
    219,098.73x = 302,370.08 × 123,570.57
  4. Step 4: Simplify right side
    219,098.73x = 37,364,042,518.69
  5. Step 5: Solve for x
    x = 37,364,042,518.69/219,098.73
  6. Step 6: Final answer
    x = 170,535.19

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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.