Home / 92,400.90-138,601.28-22,280.18

Finding the Fourth Proportional to 92,400.90, 138,601.28 and 22,280.18

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Solution

The fourth proportional to 92,400.90, 138,601.28 and 22,280.18 is: 33,420.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,400.90 : 138,601.28 = 22,280.18 : x
  2. Step 2: Convert to fraction form
    92,400.90/138,601.28 = 22,280.18/x
  3. Step 3: Cross multiply
    92,400.90x = 138,601.28 × 22,280.18
  4. Step 4: Simplify right side
    92,400.90x = 3,088,061,466.63
  5. Step 5: Solve for x
    x = 3,088,061,466.63/92,400.90
  6. Step 6: Final answer
    x = 33,420.25

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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.