Home / 236,254.10-326,018.67-128,823.26

Finding the Fourth Proportional to 236,254.10, 326,018.67 and 128,823.26

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Solution

The fourth proportional to 236,254.10, 326,018.67 and 128,823.26 is: 177,769.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,254.10 : 326,018.67 = 128,823.26 : x
  2. Step 2: Convert to fraction form
    236,254.10/326,018.67 = 128,823.26/x
  3. Step 3: Cross multiply
    236,254.10x = 326,018.67 × 128,823.26
  4. Step 4: Simplify right side
    236,254.10x = 41,998,787,890.26
  5. Step 5: Solve for x
    x = 41,998,787,890.26/236,254.10
  6. Step 6: Final answer
    x = 177,769.56

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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.