Home / 236,363.66-326,183.93-128,934.17

Finding the Fourth Proportional to 236,363.66, 326,183.93 and 128,934.17

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Solution

The fourth proportional to 236,363.66, 326,183.93 and 128,934.17 is: 177,930.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,363.66 : 326,183.93 = 128,934.17 : x
  2. Step 2: Convert to fraction form
    236,363.66/326,183.93 = 128,934.17/x
  3. Step 3: Cross multiply
    236,363.66x = 326,183.93 × 128,934.17
  4. Step 4: Simplify right side
    236,363.66x = 42,056,254,281.89
  5. Step 5: Solve for x
    x = 42,056,254,281.89/236,363.66
  6. Step 6: Final answer
    x = 177,930.29

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1.5x scale

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.