Home / 292,689.10-438,940.23-92,962.74

Finding the Fourth Proportional to 292,689.10, 438,940.23 and 92,962.74

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Solution

The fourth proportional to 292,689.10, 438,940.23 and 92,962.74 is: 139,414.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,689.10 : 438,940.23 = 92,962.74 : x
  2. Step 2: Convert to fraction form
    292,689.10/438,940.23 = 92,962.74/x
  3. Step 3: Cross multiply
    292,689.10x = 438,940.23 × 92,962.74
  4. Step 4: Simplify right side
    292,689.10x = 40,805,086,477.03
  5. Step 5: Solve for x
    x = 40,805,086,477.03/292,689.10
  6. Step 6: Final answer
    x = 139,414.44

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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.