Home / 180,218.68-248,697.37-99,644.15

Finding the Fourth Proportional to 180,218.68, 248,697.37 and 99,644.15

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Solution

The fourth proportional to 180,218.68, 248,697.37 and 99,644.15 is: 137,506.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,218.68 : 248,697.37 = 99,644.15 : x
  2. Step 2: Convert to fraction form
    180,218.68/248,697.37 = 99,644.15/x
  3. Step 3: Cross multiply
    180,218.68x = 248,697.37 × 99,644.15
  4. Step 4: Simplify right side
    180,218.68x = 24,781,238,040.89
  5. Step 5: Solve for x
    x = 24,781,238,040.89/180,218.68
  6. Step 6: Final answer
    x = 137,506.49

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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.