Home / 352,040.23-528,091.40-99,322.93

Finding the Fourth Proportional to 352,040.23, 528,091.40 and 99,322.93

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Solution

The fourth proportional to 352,040.23, 528,091.40 and 99,322.93 is: 148,993.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,040.23 : 528,091.40 = 99,322.93 : x
  2. Step 2: Convert to fraction form
    352,040.23/528,091.40 = 99,322.93/x
  3. Step 3: Cross multiply
    352,040.23x = 528,091.40 × 99,322.93
  4. Step 4: Simplify right side
    352,040.23x = 52,451,585,155.80
  5. Step 5: Solve for x
    x = 52,451,585,155.80/352,040.23
  6. Step 6: Final answer
    x = 148,993.16

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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.