Home / 219,038.25-302,283.33-123,542.76

Finding the Fourth Proportional to 219,038.25, 302,283.33 and 123,542.76

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Solution

The fourth proportional to 219,038.25, 302,283.33 and 123,542.76 is: 170,494.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,038.25 : 302,283.33 = 123,542.76 : x
  2. Step 2: Convert to fraction form
    219,038.25/302,283.33 = 123,542.76/x
  3. Step 3: Cross multiply
    219,038.25x = 302,283.33 × 123,542.76
  4. Step 4: Simplify right side
    219,038.25x = 37,344,916,890.19
  5. Step 5: Solve for x
    x = 37,344,916,890.19/219,038.25
  6. Step 6: Final answer
    x = 170,494.96

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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.