Home / 207,485.79-286,306.54-116,839.50

Finding the Fourth Proportional to 207,485.79, 286,306.54 and 116,839.50

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Solution

The fourth proportional to 207,485.79, 286,306.54 and 116,839.50 is: 161,225.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,485.79 : 286,306.54 = 116,839.50 : x
  2. Step 2: Convert to fraction form
    207,485.79/286,306.54 = 116,839.50/x
  3. Step 3: Cross multiply
    207,485.79x = 286,306.54 × 116,839.50
  4. Step 4: Simplify right side
    207,485.79x = 33,451,912,980.33
  5. Step 5: Solve for x
    x = 33,451,912,980.33/207,485.79
  6. Step 6: Final answer
    x = 161,225.08

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.