Home / 141,188.08-194,838.96-77,526.40

Finding the Fourth Proportional to 141,188.08, 194,838.96 and 77,526.40

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Solution

The fourth proportional to 141,188.08, 194,838.96 and 77,526.40 is: 106,986.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,188.08 : 194,838.96 = 77,526.40 : x
  2. Step 2: Convert to fraction form
    141,188.08/194,838.96 = 77,526.40/x
  3. Step 3: Cross multiply
    141,188.08x = 194,838.96 × 77,526.40
  4. Step 4: Simplify right side
    141,188.08x = 15,105,163,148.54
  5. Step 5: Solve for x
    x = 15,105,163,148.54/141,188.08
  6. Step 6: Final answer
    x = 106,986.11

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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.