Home / 211,368.51-291,692.30-114,575.53

Finding the Fourth Proportional to 211,368.51, 291,692.30 and 114,575.53

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Solution

The fourth proportional to 211,368.51, 291,692.30 and 114,575.53 is: 158,116.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,368.51 : 291,692.30 = 114,575.53 : x
  2. Step 2: Convert to fraction form
    211,368.51/291,692.30 = 114,575.53/x
  3. Step 3: Cross multiply
    211,368.51x = 291,692.30 × 114,575.53
  4. Step 4: Simplify right side
    211,368.51x = 33,420,799,869.42
  5. Step 5: Solve for x
    x = 33,420,799,869.42/211,368.51
  6. Step 6: Final answer
    x = 158,116.27

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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.