Home / 255,301.76-352,316.28-142,151.24

Finding the Fourth Proportional to 255,301.76, 352,316.28 and 142,151.24

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Solution

The fourth proportional to 255,301.76, 352,316.28 and 142,151.24 is: 196,168.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,301.76 : 352,316.28 = 142,151.24 : x
  2. Step 2: Convert to fraction form
    255,301.76/352,316.28 = 142,151.24/x
  3. Step 3: Cross multiply
    255,301.76x = 352,316.28 × 142,151.24
  4. Step 4: Simplify right side
    255,301.76x = 50,082,196,074.19
  5. Step 5: Solve for x
    x = 50,082,196,074.19/255,301.76
  6. Step 6: Final answer
    x = 196,168.63

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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.