Home / 210,790.08-316,037.23-77,653.24

Finding the Fourth Proportional to 210,790.08, 316,037.23 and 77,653.24

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Solution

The fourth proportional to 210,790.08, 316,037.23 and 77,653.24 is: 116,425.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,790.08 : 316,037.23 = 77,653.24 : x
  2. Step 2: Convert to fraction form
    210,790.08/316,037.23 = 77,653.24/x
  3. Step 3: Cross multiply
    210,790.08x = 316,037.23 × 77,653.24
  4. Step 4: Simplify right side
    210,790.08x = 24,541,313,885.90
  5. Step 5: Solve for x
    x = 24,541,313,885.90/210,790.08
  6. Step 6: Final answer
    x = 116,425.37

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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.