Home / 101,822.18-152,534.60-66,655.22

Finding the Fourth Proportional to 101,822.18, 152,534.60 and 66,655.22

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Solution

The fourth proportional to 101,822.18, 152,534.60 and 66,655.22 is: 99,852.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,822.18 : 152,534.60 = 66,655.22 : x
  2. Step 2: Convert to fraction form
    101,822.18/152,534.60 = 66,655.22/x
  3. Step 3: Cross multiply
    101,822.18x = 152,534.60 × 66,655.22
  4. Step 4: Simplify right side
    101,822.18x = 10,167,226,224.66
  5. Step 5: Solve for x
    x = 10,167,226,224.66/101,822.18
  6. Step 6: Final answer
    x = 99,852.77

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.