Home / 292,004.10-438,084.12-92,328.30

Finding the Fourth Proportional to 292,004.10, 438,084.12 and 92,328.30

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Solution

The fourth proportional to 292,004.10, 438,084.12 and 92,328.30 is: 138,517.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,004.10 : 438,084.12 = 92,328.30 : x
  2. Step 2: Convert to fraction form
    292,004.10/438,084.12 = 92,328.30/x
  3. Step 3: Cross multiply
    292,004.10x = 438,084.12 × 92,328.30
  4. Step 4: Simplify right side
    292,004.10x = 40,447,562,056.60
  5. Step 5: Solve for x
    x = 40,447,562,056.60/292,004.10
  6. Step 6: Final answer
    x = 138,517.10

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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.