Home / 182,218.31-251,459.56-100,547.30

Finding the Fourth Proportional to 182,218.31, 251,459.56 and 100,547.30

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Solution

The fourth proportional to 182,218.31, 251,459.56 and 100,547.30 is: 138,754.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    182,218.31 : 251,459.56 = 100,547.30 : x
  2. Step 2: Convert to fraction form
    182,218.31/251,459.56 = 100,547.30/x
  3. Step 3: Cross multiply
    182,218.31x = 251,459.56 × 100,547.30
  4. Step 4: Simplify right side
    182,218.31x = 25,283,579,817.19
  5. Step 5: Solve for x
    x = 25,283,579,817.19/182,218.31
  6. Step 6: Final answer
    x = 138,754.33

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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.