Home / 140,250.51-193,538.03-86,539.41

Finding the Fourth Proportional to 140,250.51, 193,538.03 and 86,539.41

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Solution

The fourth proportional to 140,250.51, 193,538.03 and 86,539.41 is: 119,419.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,250.51 : 193,538.03 = 86,539.41 : x
  2. Step 2: Convert to fraction form
    140,250.51/193,538.03 = 86,539.41/x
  3. Step 3: Cross multiply
    140,250.51x = 193,538.03 × 86,539.41
  4. Step 4: Simplify right side
    140,250.51x = 16,748,666,496.07
  5. Step 5: Solve for x
    x = 16,748,666,496.07/140,250.51
  6. Step 6: Final answer
    x = 119,419.65

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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.