Home / 126,021.12-189,068.58-37,276.92

Finding the Fourth Proportional to 126,021.12, 189,068.58 and 37,276.92

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Solution

The fourth proportional to 126,021.12, 189,068.58 and 37,276.92 is: 55,926.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,021.12 : 189,068.58 = 37,276.92 : x
  2. Step 2: Convert to fraction form
    126,021.12/189,068.58 = 37,276.92/x
  3. Step 3: Cross multiply
    126,021.12x = 189,068.58 × 37,276.92
  4. Step 4: Simplify right side
    126,021.12x = 7,047,894,331.17
  5. Step 5: Solve for x
    x = 7,047,894,331.17/126,021.12
  6. Step 6: Final answer
    x = 55,926.29

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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.