Home / 255,398.28-352,457.64-140,685.24

Finding the Fourth Proportional to 255,398.28, 352,457.64 and 140,685.24

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Solution

The fourth proportional to 255,398.28, 352,457.64 and 140,685.24 is: 194,150.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,398.28 : 352,457.64 = 140,685.24 : x
  2. Step 2: Convert to fraction form
    255,398.28/352,457.64 = 140,685.24/x
  3. Step 3: Cross multiply
    255,398.28x = 352,457.64 × 140,685.24
  4. Step 4: Simplify right side
    255,398.28x = 49,585,587,673.23
  5. Step 5: Solve for x
    x = 49,585,587,673.23/255,398.28
  6. Step 6: Final answer
    x = 194,150.05

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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.