Home / 209,582.48-314,376.96-116,678.72

Finding the Fourth Proportional to 209,582.48, 314,376.96 and 116,678.72

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Solution

The fourth proportional to 209,582.48, 314,376.96 and 116,678.72 is: 175,019.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,582.48 : 314,376.96 = 116,678.72 : x
  2. Step 2: Convert to fraction form
    209,582.48/314,376.96 = 116,678.72/x
  3. Step 3: Cross multiply
    209,582.48x = 314,376.96 × 116,678.72
  4. Step 4: Simplify right side
    209,582.48x = 36,681,101,290.29
  5. Step 5: Solve for x
    x = 36,681,101,290.29/209,582.48
  6. Step 6: Final answer
    x = 175,019.88

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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.