Home / 461,916.60-692,972.10-146,405.40

Finding the Fourth Proportional to 461,916.60, 692,972.10 and 146,405.40

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Solution

The fourth proportional to 461,916.60, 692,972.10 and 146,405.40 is: 219,638.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    461,916.60 : 692,972.10 = 146,405.40 : x
  2. Step 2: Convert to fraction form
    461,916.60/692,972.10 = 146,405.40/x
  3. Step 3: Cross multiply
    461,916.60x = 692,972.10 × 146,405.40
  4. Step 4: Simplify right side
    461,916.60x = 101,454,857,489.34
  5. Step 5: Solve for x
    x = 101,454,857,489.34/461,916.60
  6. Step 6: Final answer
    x = 219,638.91

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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.