Home / 162,696.84-242,937.77-143,561.94

Finding the Fourth Proportional to 162,696.84, 242,937.77 and 143,561.94

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Solution

The fourth proportional to 162,696.84, 242,937.77 and 143,561.94 is: 214,365.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,696.84 : 242,937.77 = 143,561.94 : x
  2. Step 2: Convert to fraction form
    162,696.84/242,937.77 = 143,561.94/x
  3. Step 3: Cross multiply
    162,696.84x = 242,937.77 × 143,561.94
  4. Step 4: Simplify right side
    162,696.84x = 34,876,616,842.66
  5. Step 5: Solve for x
    x = 34,876,616,842.66/162,696.84
  6. Step 6: Final answer
    x = 214,365.67

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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.