Home / 205,142.81-283,111.34-114,516.46

Finding the Fourth Proportional to 205,142.81, 283,111.34 and 114,516.46

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Solution

The fourth proportional to 205,142.81, 283,111.34 and 114,516.46 is: 158,040.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,142.81 : 283,111.34 = 114,516.46 : x
  2. Step 2: Convert to fraction form
    205,142.81/283,111.34 = 114,516.46/x
  3. Step 3: Cross multiply
    205,142.81x = 283,111.34 × 114,516.46
  4. Step 4: Simplify right side
    205,142.81x = 32,420,908,223.96
  5. Step 5: Solve for x
    x = 32,420,908,223.96/205,142.81
  6. Step 6: Final answer
    x = 158,040.68

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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.