Home / 209,703.16-314,478.18-76,544.02

Finding the Fourth Proportional to 209,703.16, 314,478.18 and 76,544.02

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Solution

The fourth proportional to 209,703.16, 314,478.18 and 76,544.02 is: 114,788.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,703.16 : 314,478.18 = 76,544.02 : x
  2. Step 2: Convert to fraction form
    209,703.16/314,478.18 = 76,544.02/x
  3. Step 3: Cross multiply
    209,703.16x = 314,478.18 × 76,544.02
  4. Step 4: Simplify right side
    209,703.16x = 24,071,424,492.58
  5. Step 5: Solve for x
    x = 24,071,424,492.58/209,703.16
  6. Step 6: Final answer
    x = 114,788.09

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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.