Home / 266,364.37-367,594.01-153,187.21

Finding the Fourth Proportional to 266,364.37, 367,594.01 and 153,187.21

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Solution

The fourth proportional to 266,364.37, 367,594.01 and 153,187.21 is: 211,404.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,364.37 : 367,594.01 = 153,187.21 : x
  2. Step 2: Convert to fraction form
    266,364.37/367,594.01 = 153,187.21/x
  3. Step 3: Cross multiply
    266,364.37x = 367,594.01 × 153,187.21
  4. Step 4: Simplify right side
    266,364.37x = 56,310,700,038.68
  5. Step 5: Solve for x
    x = 56,310,700,038.68/266,364.37
  6. Step 6: Final answer
    x = 211,404.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.