Home / 126,235.20-189,352.80-37,502.40

Finding the Fourth Proportional to 126,235.20, 189,352.80 and 37,502.40

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Solution

The fourth proportional to 126,235.20, 189,352.80 and 37,502.40 is: 56,253.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,235.20 : 189,352.80 = 37,502.40 : x
  2. Step 2: Convert to fraction form
    126,235.20/189,352.80 = 37,502.40/x
  3. Step 3: Cross multiply
    126,235.20x = 189,352.80 × 37,502.40
  4. Step 4: Simplify right side
    126,235.20x = 7,101,184,446.72
  5. Step 5: Solve for x
    x = 7,101,184,446.72/126,235.20
  6. Step 6: Final answer
    x = 56,253.60

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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.