Home / 179,889.21-248,247.49-99,316.89

Finding the Fourth Proportional to 179,889.21, 248,247.49 and 99,316.89

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Solution

The fourth proportional to 179,889.21, 248,247.49 and 99,316.89 is: 137,057.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,889.21 : 248,247.49 = 99,316.89 : x
  2. Step 2: Convert to fraction form
    179,889.21/248,247.49 = 99,316.89/x
  3. Step 3: Cross multiply
    179,889.21x = 248,247.49 × 99,316.89
  4. Step 4: Simplify right side
    179,889.21x = 24,655,168,408.81
  5. Step 5: Solve for x
    x = 24,655,168,408.81/179,889.21
  6. Step 6: Final answer
    x = 137,057.52

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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.