Home / 236,840.20-354,677.10-112,035.40

Finding the Fourth Proportional to 236,840.20, 354,677.10 and 112,035.40

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Solution

The fourth proportional to 236,840.20, 354,677.10 and 112,035.40 is: 167,777.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,840.20 : 354,677.10 = 112,035.40 : x
  2. Step 2: Convert to fraction form
    236,840.20/354,677.10 = 112,035.40/x
  3. Step 3: Cross multiply
    236,840.20x = 354,677.10 × 112,035.40
  4. Step 4: Simplify right side
    236,840.20x = 39,736,390,769.34
  5. Step 5: Solve for x
    x = 39,736,390,769.34/236,840.20
  6. Step 6: Final answer
    x = 167,777.22

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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.