Home / 352,667.30-528,770.91-127,985.18

Finding the Fourth Proportional to 352,667.30, 528,770.91 and 127,985.18

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Solution

The fourth proportional to 352,667.30, 528,770.91 and 127,985.18 is: 191,894.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,667.30 : 528,770.91 = 127,985.18 : x
  2. Step 2: Convert to fraction form
    352,667.30/528,770.91 = 127,985.18/x
  3. Step 3: Cross multiply
    352,667.30x = 528,770.91 × 127,985.18
  4. Step 4: Simplify right side
    352,667.30x = 67,674,840,095.11
  5. Step 5: Solve for x
    x = 67,674,840,095.11/352,667.30
  6. Step 6: Final answer
    x = 191,894.29

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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.