Home / 141,216.81-194,878.95-77,554.61

Finding the Fourth Proportional to 141,216.81, 194,878.95 and 77,554.61

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Solution

The fourth proportional to 141,216.81, 194,878.95 and 77,554.61 is: 107,025.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,216.81 : 194,878.95 = 77,554.61 : x
  2. Step 2: Convert to fraction form
    141,216.81/194,878.95 = 77,554.61/x
  3. Step 3: Cross multiply
    141,216.81x = 194,878.95 × 77,554.61
  4. Step 4: Simplify right side
    141,216.81x = 15,113,759,990.06
  5. Step 5: Solve for x
    x = 15,113,759,990.06/141,216.81
  6. Step 6: Final answer
    x = 107,025.22

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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.