Home / 435,362.12-653,084.40-169,143.17

Finding the Fourth Proportional to 435,362.12, 653,084.40 and 169,143.17

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Solution

The fourth proportional to 435,362.12, 653,084.40 and 169,143.17 is: 253,730.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    435,362.12 : 653,084.40 = 169,143.17 : x
  2. Step 2: Convert to fraction form
    435,362.12/653,084.40 = 169,143.17/x
  3. Step 3: Cross multiply
    435,362.12x = 653,084.40 × 169,143.17
  4. Step 4: Simplify right side
    435,362.12x = 110,464,765,693.55
  5. Step 5: Solve for x
    x = 110,464,765,693.55/435,362.12
  6. Step 6: Final answer
    x = 253,730.77

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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.