Home / 236,493.60-354,740.40-86,684.10

Finding the Fourth Proportional to 236,493.60, 354,740.40 and 86,684.10

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Solution

The fourth proportional to 236,493.60, 354,740.40 and 86,684.10 is: 130,026.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,493.60 : 354,740.40 = 86,684.10 : x
  2. Step 2: Convert to fraction form
    236,493.60/354,740.40 = 86,684.10/x
  3. Step 3: Cross multiply
    236,493.60x = 354,740.40 × 86,684.10
  4. Step 4: Simplify right side
    236,493.60x = 30,750,352,307.64
  5. Step 5: Solve for x
    x = 30,750,352,307.64/236,493.60
  6. Step 6: Final answer
    x = 130,026.15

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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.