Home / 435,561.12-653,382.09-169,341.86

Finding the Fourth Proportional to 435,561.12, 653,382.09 and 169,341.86

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Solution

The fourth proportional to 435,561.12, 653,382.09 and 169,341.86 is: 254,028.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    435,561.12 : 653,382.09 = 169,341.86 : x
  2. Step 2: Convert to fraction form
    435,561.12/653,382.09 = 169,341.86/x
  3. Step 3: Cross multiply
    435,561.12x = 653,382.09 × 169,341.86
  4. Step 4: Simplify right side
    435,561.12x = 110,644,940,044.74
  5. Step 5: Solve for x
    x = 110,644,940,044.74/435,561.12
  6. Step 6: Final answer
    x = 254,028.50

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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.