Home / 141,039.12-194,646.60-77,389.32

Finding the Fourth Proportional to 141,039.12, 194,646.60 and 77,389.32

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Solution

The fourth proportional to 141,039.12, 194,646.60 and 77,389.32 is: 106,804.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,039.12 : 194,646.60 = 77,389.32 : x
  2. Step 2: Convert to fraction form
    141,039.12/194,646.60 = 77,389.32/x
  3. Step 3: Cross multiply
    141,039.12x = 194,646.60 × 77,389.32
  4. Step 4: Simplify right side
    141,039.12x = 15,063,568,014.31
  5. Step 5: Solve for x
    x = 15,063,568,014.31/141,039.12
  6. Step 6: Final answer
    x = 106,804.18

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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.