Home / 435,437.10-653,196.87-169,218.15

Finding the Fourth Proportional to 435,437.10, 653,196.87 and 169,218.15

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Solution

The fourth proportional to 435,437.10, 653,196.87 and 169,218.15 is: 253,843.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    435,437.10 : 653,196.87 = 169,218.15 : x
  2. Step 2: Convert to fraction form
    435,437.10/653,196.87 = 169,218.15/x
  3. Step 3: Cross multiply
    435,437.10x = 653,196.87 × 169,218.15
  4. Step 4: Simplify right side
    435,437.10x = 110,532,765,927.19
  5. Step 5: Solve for x
    x = 110,532,765,927.19/435,437.10
  6. Step 6: Final answer
    x = 253,843.24

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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.