Home / 236,444.40-354,561.60-86,645.52

Finding the Fourth Proportional to 236,444.40, 354,561.60 and 86,645.52

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Solution

The fourth proportional to 236,444.40, 354,561.60 and 86,645.52 is: 129,929.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,444.40 : 354,561.60 = 86,645.52 : x
  2. Step 2: Convert to fraction form
    236,444.40/354,561.60 = 86,645.52/x
  3. Step 3: Cross multiply
    236,444.40x = 354,561.60 × 86,645.52
  4. Step 4: Simplify right side
    236,444.40x = 30,721,174,204.03
  5. Step 5: Solve for x
    x = 30,721,174,204.03/236,444.40
  6. Step 6: Final answer
    x = 129,929.80

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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.