Home / 174,514.07-261,827.54-85,705.30

Finding the Fourth Proportional to 174,514.07, 261,827.54 and 85,705.30

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Solution

The fourth proportional to 174,514.07, 261,827.54 and 85,705.30 is: 128,585.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,514.07 : 261,827.54 = 85,705.30 : x
  2. Step 2: Convert to fraction form
    174,514.07/261,827.54 = 85,705.30/x
  3. Step 3: Cross multiply
    174,514.07x = 261,827.54 × 85,705.30
  4. Step 4: Simplify right side
    174,514.07x = 22,440,008,084.11
  5. Step 5: Solve for x
    x = 22,440,008,084.11/174,514.07
  6. Step 6: Final answer
    x = 128,585.67

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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.