Home / 141,022.08-194,601.42-77,346.36

Finding the Fourth Proportional to 141,022.08, 194,601.42 and 77,346.36

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Solution

The fourth proportional to 141,022.08, 194,601.42 and 77,346.36 is: 106,733.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,022.08 : 194,601.42 = 77,346.36 : x
  2. Step 2: Convert to fraction form
    141,022.08/194,601.42 = 77,346.36/x
  3. Step 3: Cross multiply
    141,022.08x = 194,601.42 × 77,346.36
  4. Step 4: Simplify right side
    141,022.08x = 15,051,711,487.83
  5. Step 5: Solve for x
    x = 15,051,711,487.83/141,022.08
  6. Step 6: Final answer
    x = 106,733.01

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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.