Home / 236,119.61-354,085.45-86,325.77

Finding the Fourth Proportional to 236,119.61, 354,085.45 and 86,325.77

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Solution

The fourth proportional to 236,119.61, 354,085.45 and 86,325.77 is: 129,454.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,119.61 : 354,085.45 = 86,325.77 : x
  2. Step 2: Convert to fraction form
    236,119.61/354,085.45 = 86,325.77/x
  3. Step 3: Cross multiply
    236,119.61x = 354,085.45 × 86,325.77
  4. Step 4: Simplify right side
    236,119.61x = 30,566,699,117.05
  5. Step 5: Solve for x
    x = 30,566,699,117.05/236,119.61
  6. Step 6: Final answer
    x = 129,454.30

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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.