Home / 268,373.48-370,390.39-173,157.17

Finding the Fourth Proportional to 268,373.48, 370,390.39 and 173,157.17

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Solution

The fourth proportional to 268,373.48, 370,390.39 and 173,157.17 is: 238,979.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,373.48 : 370,390.39 = 173,157.17 : x
  2. Step 2: Convert to fraction form
    268,373.48/370,390.39 = 173,157.17/x
  3. Step 3: Cross multiply
    268,373.48x = 370,390.39 × 173,157.17
  4. Step 4: Simplify right side
    268,373.48x = 64,135,749,442.75
  5. Step 5: Solve for x
    x = 64,135,749,442.75/268,373.48
  6. Step 6: Final answer
    x = 238,979.46

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.