Home / 149,007.09-205,545.63-88,597.22

Finding the Fourth Proportional to 149,007.09, 205,545.63 and 88,597.22

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Solution

The fourth proportional to 149,007.09, 205,545.63 and 88,597.22 is: 122,214.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,007.09 : 205,545.63 = 88,597.22 : x
  2. Step 2: Convert to fraction form
    149,007.09/205,545.63 = 88,597.22/x
  3. Step 3: Cross multiply
    149,007.09x = 205,545.63 × 88,597.22
  4. Step 4: Simplify right side
    149,007.09x = 18,210,771,401.15
  5. Step 5: Solve for x
    x = 18,210,771,401.15/149,007.09
  6. Step 6: Final answer
    x = 122,214.13

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.