Home / 202,088.12-303,133.19-52,317.90

Finding the Fourth Proportional to 202,088.12, 303,133.19 and 52,317.90

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Solution

The fourth proportional to 202,088.12, 303,133.19 and 52,317.90 is: 78,477.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,088.12 : 303,133.19 = 52,317.90 : x
  2. Step 2: Convert to fraction form
    202,088.12/303,133.19 = 52,317.90/x
  3. Step 3: Cross multiply
    202,088.12x = 303,133.19 × 52,317.90
  4. Step 4: Simplify right side
    202,088.12x = 15,859,291,659.51
  5. Step 5: Solve for x
    x = 15,859,291,659.51/202,088.12
  6. Step 6: Final answer
    x = 78,477.11

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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.