Home / 141,271.25-194,957.08-77,611.46

Finding the Fourth Proportional to 141,271.25, 194,957.08 and 77,611.46

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Solution

The fourth proportional to 141,271.25, 194,957.08 and 77,611.46 is: 107,105.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,271.25 : 194,957.08 = 77,611.46 : x
  2. Step 2: Convert to fraction form
    141,271.25/194,957.08 = 77,611.46/x
  3. Step 3: Cross multiply
    141,271.25x = 194,957.08 × 77,611.46
  4. Step 4: Simplify right side
    141,271.25x = 15,130,902,447.32
  5. Step 5: Solve for x
    x = 15,130,902,447.32/141,271.25
  6. Step 6: Final answer
    x = 107,105.32

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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.