Home / 126,627.48-189,846.90-42,337.74

Finding the Fourth Proportional to 126,627.48, 189,846.90 and 42,337.74

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Solution

The fourth proportional to 126,627.48, 189,846.90 and 42,337.74 is: 63,475.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,627.48 : 189,846.90 = 42,337.74 : x
  2. Step 2: Convert to fraction form
    126,627.48/189,846.90 = 42,337.74/x
  3. Step 3: Cross multiply
    126,627.48x = 189,846.90 × 42,337.74
  4. Step 4: Simplify right side
    126,627.48x = 8,037,688,692.01
  5. Step 5: Solve for x
    x = 8,037,688,692.01/126,627.48
  6. Step 6: Final answer
    x = 63,475.07

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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.