Home / 266,385.51-367,611.75-153,208.26

Finding the Fourth Proportional to 266,385.51, 367,611.75 and 153,208.26

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Solution

The fourth proportional to 266,385.51, 367,611.75 and 153,208.26 is: 211,427.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,385.51 : 367,611.75 = 153,208.26 : x
  2. Step 2: Convert to fraction form
    266,385.51/367,611.75 = 153,208.26/x
  3. Step 3: Cross multiply
    266,385.51x = 367,611.75 × 153,208.26
  4. Step 4: Simplify right side
    266,385.51x = 56,321,156,573.06
  5. Step 5: Solve for x
    x = 56,321,156,573.06/266,385.51
  6. Step 6: Final answer
    x = 211,427.25

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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.