Home / 209,680.84-314,048.08-97,124.59

Finding the Fourth Proportional to 209,680.84, 314,048.08 and 97,124.59

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Solution

The fourth proportional to 209,680.84, 314,048.08 and 97,124.59 is: 145,467.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,680.84 : 314,048.08 = 97,124.59 : x
  2. Step 2: Convert to fraction form
    209,680.84/314,048.08 = 97,124.59/x
  3. Step 3: Cross multiply
    209,680.84x = 314,048.08 × 97,124.59
  4. Step 4: Simplify right side
    209,680.84x = 30,501,791,010.29
  5. Step 5: Solve for x
    x = 30,501,791,010.29/209,680.84
  6. Step 6: Final answer
    x = 145,467.71

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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.