Home / 141,239.46-211,831.23-70,087.86

Finding the Fourth Proportional to 141,239.46, 211,831.23 and 70,087.86

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Solution

The fourth proportional to 141,239.46, 211,831.23 and 70,087.86 is: 105,117.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,239.46 : 211,831.23 = 70,087.86 : x
  2. Step 2: Convert to fraction form
    141,239.46/211,831.23 = 70,087.86/x
  3. Step 3: Cross multiply
    141,239.46x = 211,831.23 × 70,087.86
  4. Step 4: Simplify right side
    141,239.46x = 14,846,797,591.87
  5. Step 5: Solve for x
    x = 14,846,797,591.87/141,239.46
  6. Step 6: Final answer
    x = 105,117.92

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.