Home / 210,901.92-316,287.78-61,153.24

Finding the Fourth Proportional to 210,901.92, 316,287.78 and 61,153.24

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Solution

The fourth proportional to 210,901.92, 316,287.78 and 61,153.24 is: 91,710.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,901.92 : 316,287.78 = 61,153.24 : x
  2. Step 2: Convert to fraction form
    210,901.92/316,287.78 = 61,153.24/x
  3. Step 3: Cross multiply
    210,901.92x = 316,287.78 × 61,153.24
  4. Step 4: Simplify right side
    210,901.92x = 19,342,023,004.36
  5. Step 5: Solve for x
    x = 19,342,023,004.36/210,901.92
  6. Step 6: Final answer
    x = 91,710.99

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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.