Home / 220,595.78-304,411.04-125,111.36

Finding the Fourth Proportional to 220,595.78, 304,411.04 and 125,111.36

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Solution

The fourth proportional to 220,595.78, 304,411.04 and 125,111.36 is: 172,647.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,595.78 : 304,411.04 = 125,111.36 : x
  2. Step 2: Convert to fraction form
    220,595.78/304,411.04 = 125,111.36/x
  3. Step 3: Cross multiply
    220,595.78x = 304,411.04 × 125,111.36
  4. Step 4: Simplify right side
    220,595.78x = 38,085,279,213.41
  5. Step 5: Solve for x
    x = 38,085,279,213.41/220,595.78
  6. Step 6: Final answer
    x = 172,647.36

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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.