Home / 180,007.08-248,408.76-99,440.16

Finding the Fourth Proportional to 180,007.08, 248,408.76 and 99,440.16

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Solution

The fourth proportional to 180,007.08, 248,408.76 and 99,440.16 is: 137,226.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,007.08 : 248,408.76 = 99,440.16 : x
  2. Step 2: Convert to fraction form
    180,007.08/248,408.76 = 99,440.16/x
  3. Step 3: Cross multiply
    180,007.08x = 248,408.76 × 99,440.16
  4. Step 4: Simplify right side
    180,007.08x = 24,701,806,839.80
  5. Step 5: Solve for x
    x = 24,701,806,839.80/180,007.08
  6. Step 6: Final answer
    x = 137,226.86

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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.