Home / 437,935.40-657,194.70-201,156.20

Finding the Fourth Proportional to 437,935.40, 657,194.70 and 201,156.20

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Solution

The fourth proportional to 437,935.40, 657,194.70 and 201,156.20 is: 301,868.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,935.40 : 657,194.70 = 201,156.20 : x
  2. Step 2: Convert to fraction form
    437,935.40/657,194.70 = 201,156.20/x
  3. Step 3: Cross multiply
    437,935.40x = 657,194.70 × 201,156.20
  4. Step 4: Simplify right side
    437,935.40x = 132,198,788,512.14
  5. Step 5: Solve for x
    x = 132,198,788,512.14/437,935.40
  6. Step 6: Final answer
    x = 301,868.24

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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.