Home / 152,811.79-210,882.60-84,833.15

Finding the Fourth Proportional to 152,811.79, 210,882.60 and 84,833.15

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Solution

The fourth proportional to 152,811.79, 210,882.60 and 84,833.15 is: 117,071.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,811.79 : 210,882.60 = 84,833.15 : x
  2. Step 2: Convert to fraction form
    152,811.79/210,882.60 = 84,833.15/x
  3. Step 3: Cross multiply
    152,811.79x = 210,882.60 × 84,833.15
  4. Step 4: Simplify right side
    152,811.79x = 17,889,834,183.78
  5. Step 5: Solve for x
    x = 17,889,834,183.78/152,811.79
  6. Step 6: Final answer
    x = 117,071.04

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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.