Home / 91,733.10-128,601.30-91,733.10

Finding the Fourth Proportional to 91,733.10, 128,601.30 and 91,733.10

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Solution

The fourth proportional to 91,733.10, 128,601.30 and 91,733.10 is: 128,601.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,733.10 : 128,601.30 = 91,733.10 : x
  2. Step 2: Convert to fraction form
    91,733.10/128,601.30 = 91,733.10/x
  3. Step 3: Cross multiply
    91,733.10x = 128,601.30 × 91,733.10
  4. Step 4: Simplify right side
    91,733.10x = 11,796,995,913.03
  5. Step 5: Solve for x
    x = 11,796,995,913.03/91,733.10
  6. Step 6: Final answer
    x = 128,601.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.