Home / 180,212.19-248,682.76-99,635.01

Finding the Fourth Proportional to 180,212.19, 248,682.76 and 99,635.01

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Solution

The fourth proportional to 180,212.19, 248,682.76 and 99,635.01 is: 137,490.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,212.19 : 248,682.76 = 99,635.01 : x
  2. Step 2: Convert to fraction form
    180,212.19/248,682.76 = 99,635.01/x
  3. Step 3: Cross multiply
    180,212.19x = 248,682.76 × 99,635.01
  4. Step 4: Simplify right side
    180,212.19x = 24,777,509,279.43
  5. Step 5: Solve for x
    x = 24,777,509,279.43/180,212.19
  6. Step 6: Final answer
    x = 137,490.75

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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.