Home / 92,220.86-126,435.28-90,539.60

Finding the Fourth Proportional to 92,220.86, 126,435.28 and 90,539.60

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Solution

The fourth proportional to 92,220.86, 126,435.28 and 90,539.60 is: 124,130.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,220.86 : 126,435.28 = 90,539.60 : x
  2. Step 2: Convert to fraction form
    92,220.86/126,435.28 = 90,539.60/x
  3. Step 3: Cross multiply
    92,220.86x = 126,435.28 × 90,539.60
  4. Step 4: Simplify right side
    92,220.86x = 11,447,399,677.09
  5. Step 5: Solve for x
    x = 11,447,399,677.09/92,220.86
  6. Step 6: Final answer
    x = 124,130.26

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.