Home / 209,831.98-314,825.79-97,572.46

Finding the Fourth Proportional to 209,831.98, 314,825.79 and 97,572.46

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Solution

The fourth proportional to 209,831.98, 314,825.79 and 97,572.46 is: 146,394.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,831.98 : 314,825.79 = 97,572.46 : x
  2. Step 2: Convert to fraction form
    209,831.98/314,825.79 = 97,572.46/x
  3. Step 3: Cross multiply
    209,831.98x = 314,825.79 × 97,572.46
  4. Step 4: Simplify right side
    209,831.98x = 30,718,326,801.74
  5. Step 5: Solve for x
    x = 30,718,326,801.74/209,831.98
  6. Step 6: Final answer
    x = 146,394.88

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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.