Home / 236,187.21-354,244.29-86,392.47

Finding the Fourth Proportional to 236,187.21, 354,244.29 and 86,392.47

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Solution

The fourth proportional to 236,187.21, 354,244.29 and 86,392.47 is: 129,575.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,187.21 : 354,244.29 = 86,392.47 : x
  2. Step 2: Convert to fraction form
    236,187.21/354,244.29 = 86,392.47/x
  3. Step 3: Cross multiply
    236,187.21x = 354,244.29 × 86,392.47
  4. Step 4: Simplify right side
    236,187.21x = 30,604,039,196.50
  5. Step 5: Solve for x
    x = 30,604,039,196.50/236,187.21
  6. Step 6: Final answer
    x = 129,575.34

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1.5x scale

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.