Home / 313,272.79-432,316.77-170,032.86

Finding the Fourth Proportional to 313,272.79, 432,316.77 and 170,032.86

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Solution

The fourth proportional to 313,272.79, 432,316.77 and 170,032.86 is: 234,645.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,272.79 : 432,316.77 = 170,032.86 : x
  2. Step 2: Convert to fraction form
    313,272.79/432,316.77 = 170,032.86/x
  3. Step 3: Cross multiply
    313,272.79x = 432,316.77 × 170,032.86
  4. Step 4: Simplify right side
    313,272.79x = 73,508,059,087.87
  5. Step 5: Solve for x
    x = 73,508,059,087.87/313,272.79
  6. Step 6: Final answer
    x = 234,645.53

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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.