Home / 99,328.94-148,057.70-91,357.33

Finding the Fourth Proportional to 99,328.94, 148,057.70 and 91,357.33

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Solution

The fourth proportional to 99,328.94, 148,057.70 and 91,357.33 is: 136,175.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,328.94 : 148,057.70 = 91,357.33 : x
  2. Step 2: Convert to fraction form
    99,328.94/148,057.70 = 91,357.33/x
  3. Step 3: Cross multiply
    99,328.94x = 148,057.70 × 91,357.33
  4. Step 4: Simplify right side
    99,328.94x = 13,526,155,417.65
  5. Step 5: Solve for x
    x = 13,526,155,417.65/99,328.94
  6. Step 6: Final answer
    x = 136,175.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.