Home / 338,875.11-507,989.61-114,119.89

Finding the Fourth Proportional to 338,875.11, 507,989.61 and 114,119.89

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Solution

The fourth proportional to 338,875.11, 507,989.61 and 114,119.89 is: 171,071.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,875.11 : 507,989.61 = 114,119.89 : x
  2. Step 2: Convert to fraction form
    338,875.11/507,989.61 = 114,119.89/x
  3. Step 3: Cross multiply
    338,875.11x = 507,989.61 × 114,119.89
  4. Step 4: Simplify right side
    338,875.11x = 57,971,717,144.37
  5. Step 5: Solve for x
    x = 57,971,717,144.37/338,875.11
  6. Step 6: Final answer
    x = 171,071.04

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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.