Home / 192,316.48-288,083.04-156,904

Finding the Fourth Proportional to 192,316.48, 288,083.04 and 156,904

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Solution

The fourth proportional to 192,316.48, 288,083.04 and 156,904 is: 235,036.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,316.48 : 288,083.04 = 156,904 : x
  2. Step 2: Convert to fraction form
    192,316.48/288,083.04 = 156,904/x
  3. Step 3: Cross multiply
    192,316.48x = 288,083.04 × 156,904
  4. Step 4: Simplify right side
    192,316.48x = 45,201,381,308.16
  5. Step 5: Solve for x
    x = 45,201,381,308.16/192,316.48
  6. Step 6: Final answer
    x = 235,036.44

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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.