Home / 220,312.18-304,029.75-124,818.67

Finding the Fourth Proportional to 220,312.18, 304,029.75 and 124,818.67

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Solution

The fourth proportional to 220,312.18, 304,029.75 and 124,818.67 is: 172,249.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,312.18 : 304,029.75 = 124,818.67 : x
  2. Step 2: Convert to fraction form
    220,312.18/304,029.75 = 124,818.67/x
  3. Step 3: Cross multiply
    220,312.18x = 304,029.75 × 124,818.67
  4. Step 4: Simplify right side
    220,312.18x = 37,948,589,035.43
  5. Step 5: Solve for x
    x = 37,948,589,035.43/220,312.18
  6. Step 6: Final answer
    x = 172,249.16

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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.