Home / 180,221.52-248,695.66-99,644.21

Finding the Fourth Proportional to 180,221.52, 248,695.66 and 99,644.21

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Solution

The fourth proportional to 180,221.52, 248,695.66 and 99,644.21 is: 137,503.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,221.52 : 248,695.66 = 99,644.21 : x
  2. Step 2: Convert to fraction form
    180,221.52/248,695.66 = 99,644.21/x
  3. Step 3: Cross multiply
    180,221.52x = 248,695.66 × 99,644.21
  4. Step 4: Simplify right side
    180,221.52x = 24,781,082,384.81
  5. Step 5: Solve for x
    x = 24,781,082,384.81/180,221.52
  6. Step 6: Final answer
    x = 137,503.46

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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.