Home / 112,021.61-154,622.42-73,264.94

Finding the Fourth Proportional to 112,021.61, 154,622.42 and 73,264.94

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Solution

The fourth proportional to 112,021.61, 154,622.42 and 73,264.94 is: 101,126.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,021.61 : 154,622.42 = 73,264.94 : x
  2. Step 2: Convert to fraction form
    112,021.61/154,622.42 = 73,264.94/x
  3. Step 3: Cross multiply
    112,021.61x = 154,622.42 × 73,264.94
  4. Step 4: Simplify right side
    112,021.61x = 11,328,401,184.52
  5. Step 5: Solve for x
    x = 11,328,401,184.52/112,021.61
  6. Step 6: Final answer
    x = 101,126.93

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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.