Home / 220,385.48-304,256.90-168,605.20

Finding the Fourth Proportional to 220,385.48, 304,256.90 and 168,605.20

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Solution

The fourth proportional to 220,385.48, 304,256.90 and 168,605.20 is: 232,770.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,385.48 : 304,256.90 = 168,605.20 : x
  2. Step 2: Convert to fraction form
    220,385.48/304,256.90 = 168,605.20/x
  3. Step 3: Cross multiply
    220,385.48x = 304,256.90 × 168,605.20
  4. Step 4: Simplify right side
    220,385.48x = 51,299,293,111.57
  5. Step 5: Solve for x
    x = 51,299,293,111.57/220,385.48
  6. Step 6: Final answer
    x = 232,770.75

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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.