Home / 141,188.63-194,841.67-77,527.79

Finding the Fourth Proportional to 141,188.63, 194,841.67 and 77,527.79

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Solution

The fourth proportional to 141,188.63, 194,841.67 and 77,527.79 is: 106,989.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,188.63 : 194,841.67 = 77,527.79 : x
  2. Step 2: Convert to fraction form
    141,188.63/194,841.67 = 77,527.79/x
  3. Step 3: Cross multiply
    141,188.63x = 194,841.67 × 77,527.79
  4. Step 4: Simplify right side
    141,188.63x = 15,105,643,783.00
  5. Step 5: Solve for x
    x = 15,105,643,783.00/141,188.63
  6. Step 6: Final answer
    x = 106,989.10

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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.