Home / 236,644.96-326,568.75-129,214.23

Finding the Fourth Proportional to 236,644.96, 326,568.75 and 129,214.23

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Solution

The fourth proportional to 236,644.96, 326,568.75 and 129,214.23 is: 178,314.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,644.96 : 326,568.75 = 129,214.23 : x
  2. Step 2: Convert to fraction form
    236,644.96/326,568.75 = 129,214.23/x
  3. Step 3: Cross multiply
    236,644.96x = 326,568.75 × 129,214.23
  4. Step 4: Simplify right side
    236,644.96x = 42,197,330,555.67
  5. Step 5: Solve for x
    x = 42,197,330,555.67/236,644.96
  6. Step 6: Final answer
    x = 178,314.93

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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.