Home / 220,407.49-304,141.06-123,615.33

Finding the Fourth Proportional to 220,407.49, 304,141.06 and 123,615.33

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Solution

The fourth proportional to 220,407.49, 304,141.06 and 123,615.33 is: 170,577.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,407.49 : 304,141.06 = 123,615.33 : x
  2. Step 2: Convert to fraction form
    220,407.49/304,141.06 = 123,615.33/x
  3. Step 3: Cross multiply
    220,407.49x = 304,141.06 × 123,615.33
  4. Step 4: Simplify right side
    220,407.49x = 37,596,495,359.67
  5. Step 5: Solve for x
    x = 37,596,495,359.67/220,407.49
  6. Step 6: Final answer
    x = 170,577.21

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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.