Home / 266,330.88-367,459.20-153,112.32

Finding the Fourth Proportional to 266,330.88, 367,459.20 and 153,112.32

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Solution

The fourth proportional to 266,330.88, 367,459.20 and 153,112.32 is: 211,250.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,330.88 : 367,459.20 = 153,112.32 : x
  2. Step 2: Convert to fraction form
    266,330.88/367,459.20 = 153,112.32/x
  3. Step 3: Cross multiply
    266,330.88x = 367,459.20 × 153,112.32
  4. Step 4: Simplify right side
    266,330.88x = 56,262,530,617.34
  5. Step 5: Solve for x
    x = 56,262,530,617.34/266,330.88
  6. Step 6: Final answer
    x = 211,250.50

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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.