Home / 141,055.56-194,657.99-77,395.64

Finding the Fourth Proportional to 141,055.56, 194,657.99 and 77,395.64

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Solution

The fourth proportional to 141,055.56, 194,657.99 and 77,395.64 is: 106,806.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,055.56 : 194,657.99 = 77,395.64 : x
  2. Step 2: Convert to fraction form
    141,055.56/194,657.99 = 77,395.64/x
  3. Step 3: Cross multiply
    141,055.56x = 194,657.99 × 77,395.64
  4. Step 4: Simplify right side
    141,055.56x = 15,065,678,356.90
  5. Step 5: Solve for x
    x = 15,065,678,356.90/141,055.56
  6. Step 6: Final answer
    x = 106,806.70

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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.