Home / 266,063.20-398,438.70-176,833.60

Finding the Fourth Proportional to 266,063.20, 398,438.70 and 176,833.60

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Solution

The fourth proportional to 266,063.20, 398,438.70 and 176,833.60 is: 264,814.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,063.20 : 398,438.70 = 176,833.60 : x
  2. Step 2: Convert to fraction form
    266,063.20/398,438.70 = 176,833.60/x
  3. Step 3: Cross multiply
    266,063.20x = 398,438.70 × 176,833.60
  4. Step 4: Simplify right side
    266,063.20x = 70,457,349,700.32
  5. Step 5: Solve for x
    x = 70,457,349,700.32/266,063.20
  6. Step 6: Final answer
    x = 264,814.34

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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.