Home / 415,916.20-623,567.10-166,469.80

Finding the Fourth Proportional to 415,916.20, 623,567.10 and 166,469.80

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Solution

The fourth proportional to 415,916.20, 623,567.10 and 166,469.80 is: 249,581.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    415,916.20 : 623,567.10 = 166,469.80 : x
  2. Step 2: Convert to fraction form
    415,916.20/623,567.10 = 166,469.80/x
  3. Step 3: Cross multiply
    415,916.20x = 623,567.10 × 166,469.80
  4. Step 4: Simplify right side
    415,916.20x = 103,805,090,423.58
  5. Step 5: Solve for x
    x = 103,805,090,423.58/415,916.20
  6. Step 6: Final answer
    x = 249,581.74

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1.5x scale

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.