Home / 168,138.24-232,030.56-92,688

Finding the Fourth Proportional to 168,138.24, 232,030.56 and 92,688

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Solution

The fourth proportional to 168,138.24, 232,030.56 and 92,688 is: 127,909.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,138.24 : 232,030.56 = 92,688 : x
  2. Step 2: Convert to fraction form
    168,138.24/232,030.56 = 92,688/x
  3. Step 3: Cross multiply
    168,138.24x = 232,030.56 × 92,688
  4. Step 4: Simplify right side
    168,138.24x = 21,506,448,545.28
  5. Step 5: Solve for x
    x = 21,506,448,545.28/168,138.24
  6. Step 6: Final answer
    x = 127,909.32

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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.