Home / 338,868.36-507,979.50-114,113.10

Finding the Fourth Proportional to 338,868.36, 507,979.50 and 114,113.10

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Solution

The fourth proportional to 338,868.36, 507,979.50 and 114,113.10 is: 171,060.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,868.36 : 507,979.50 = 114,113.10 : x
  2. Step 2: Convert to fraction form
    338,868.36/507,979.50 = 114,113.10/x
  3. Step 3: Cross multiply
    338,868.36x = 507,979.50 × 114,113.10
  4. Step 4: Simplify right side
    338,868.36x = 57,967,117,600.34
  5. Step 5: Solve for x
    x = 57,967,117,600.34/338,868.36
  6. Step 6: Final answer
    x = 171,060.87

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.