Home / 435,986.90-653,712.72-169,436.18

Finding the Fourth Proportional to 435,986.90, 653,712.72 and 169,436.18

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Solution

The fourth proportional to 435,986.90, 653,712.72 and 169,436.18 is: 254,050.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    435,986.90 : 653,712.72 = 169,436.18 : x
  2. Step 2: Convert to fraction form
    435,986.90/653,712.72 = 169,436.18/x
  3. Step 3: Cross multiply
    435,986.90x = 653,712.72 × 169,436.18
  4. Step 4: Simplify right side
    435,986.90x = 110,762,586,094.21
  5. Step 5: Solve for x
    x = 110,762,586,094.21/435,986.90
  6. Step 6: Final answer
    x = 254,050.26

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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.