Home / 162,235.11-223,761.02-139,612.17

Finding the Fourth Proportional to 162,235.11, 223,761.02 and 139,612.17

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Solution

The fourth proportional to 162,235.11, 223,761.02 and 139,612.17 is: 192,558.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,235.11 : 223,761.02 = 139,612.17 : x
  2. Step 2: Convert to fraction form
    162,235.11/223,761.02 = 139,612.17/x
  3. Step 3: Cross multiply
    162,235.11x = 223,761.02 × 139,612.17
  4. Step 4: Simplify right side
    162,235.11x = 31,239,760,865.55
  5. Step 5: Solve for x
    x = 31,239,760,865.55/162,235.11
  6. Step 6: Final answer
    x = 192,558.57

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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.