Home / 126,554.58-190,127.12-74,000.97

Finding the Fourth Proportional to 126,554.58, 190,127.12 and 74,000.97

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Solution

The fourth proportional to 126,554.58, 190,127.12 and 74,000.97 is: 111,174.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,554.58 : 190,127.12 = 74,000.97 : x
  2. Step 2: Convert to fraction form
    126,554.58/190,127.12 = 74,000.97/x
  3. Step 3: Cross multiply
    126,554.58x = 190,127.12 × 74,000.97
  4. Step 4: Simplify right side
    126,554.58x = 14,069,590,933.30
  5. Step 5: Solve for x
    x = 14,069,590,933.30/126,554.58
  6. Step 6: Final answer
    x = 111,174.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.