Home / 257,914.02-355,921.54-144,736.76

Finding the Fourth Proportional to 257,914.02, 355,921.54 and 144,736.76

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Solution

The fourth proportional to 257,914.02, 355,921.54 and 144,736.76 is: 199,736.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    257,914.02 : 355,921.54 = 144,736.76 : x
  2. Step 2: Convert to fraction form
    257,914.02/355,921.54 = 144,736.76/x
  3. Step 3: Cross multiply
    257,914.02x = 355,921.54 × 144,736.76
  4. Step 4: Simplify right side
    257,914.02x = 51,514,930,513.81
  5. Step 5: Solve for x
    x = 51,514,930,513.81/257,914.02
  6. Step 6: Final answer
    x = 199,736.84

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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.