Home / 170,220.20-255,254.80-64,965.56

Finding the Fourth Proportional to 170,220.20, 255,254.80 and 64,965.56

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Solution

The fourth proportional to 170,220.20, 255,254.80 and 64,965.56 is: 97,419.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,220.20 : 255,254.80 = 64,965.56 : x
  2. Step 2: Convert to fraction form
    170,220.20/255,254.80 = 64,965.56/x
  3. Step 3: Cross multiply
    170,220.20x = 255,254.80 × 64,965.56
  4. Step 4: Simplify right side
    170,220.20x = 16,582,771,024.69
  5. Step 5: Solve for x
    x = 16,582,771,024.69/170,220.20
  6. Step 6: Final answer
    x = 97,419.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.