Home / 141,216.74-194,878.86-77,554.54

Finding the Fourth Proportional to 141,216.74, 194,878.86 and 77,554.54

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Solution

The fourth proportional to 141,216.74, 194,878.86 and 77,554.54 is: 107,025.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,216.74 : 194,878.86 = 77,554.54 : x
  2. Step 2: Convert to fraction form
    141,216.74/194,878.86 = 77,554.54/x
  3. Step 3: Cross multiply
    141,216.74x = 194,878.86 × 77,554.54
  4. Step 4: Simplify right side
    141,216.74x = 15,113,740,536.91
  5. Step 5: Solve for x
    x = 15,113,740,536.91/141,216.74
  6. Step 6: Final answer
    x = 107,025.13

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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.