Home / 209,127.16-313,690.09-59,367.55

Finding the Fourth Proportional to 209,127.16, 313,690.09 and 59,367.55

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Solution

The fourth proportional to 209,127.16, 313,690.09 and 59,367.55 is: 89,051.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,127.16 : 313,690.09 = 59,367.55 : x
  2. Step 2: Convert to fraction form
    209,127.16/313,690.09 = 59,367.55/x
  3. Step 3: Cross multiply
    209,127.16x = 313,690.09 × 59,367.55
  4. Step 4: Simplify right side
    209,127.16x = 18,623,012,036.39
  5. Step 5: Solve for x
    x = 18,623,012,036.39/209,127.16
  6. Step 6: Final answer
    x = 89,051.14

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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.