Home / 255,502.92-352,636.02-142,362.12

Finding the Fourth Proportional to 255,502.92, 352,636.02 and 142,362.12

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Solution

The fourth proportional to 255,502.92, 352,636.02 and 142,362.12 is: 196,483.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,502.92 : 352,636.02 = 142,362.12 : x
  2. Step 2: Convert to fraction form
    255,502.92/352,636.02 = 142,362.12/x
  3. Step 3: Cross multiply
    255,502.92x = 352,636.02 × 142,362.12
  4. Step 4: Simplify right side
    255,502.92x = 50,202,011,395.56
  5. Step 5: Solve for x
    x = 50,202,011,395.56/255,502.92
  6. Step 6: Final answer
    x = 196,483.12

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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.