Home / 141,056.12-194,656.20-76,525.25

Finding the Fourth Proportional to 141,056.12, 194,656.20 and 76,525.25

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Solution

The fourth proportional to 141,056.12, 194,656.20 and 76,525.25 is: 105,604.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,056.12 : 194,656.20 = 76,525.25 : x
  2. Step 2: Convert to fraction form
    141,056.12/194,656.20 = 76,525.25/x
  3. Step 3: Cross multiply
    141,056.12x = 194,656.20 × 76,525.25
  4. Step 4: Simplify right side
    141,056.12x = 14,896,113,395.77
  5. Step 5: Solve for x
    x = 14,896,113,395.77/141,056.12
  6. Step 6: Final answer
    x = 105,604.17

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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.