Home / 121,153.20-181,578.60-62,012.40

Finding the Fourth Proportional to 121,153.20, 181,578.60 and 62,012.40

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Solution

The fourth proportional to 121,153.20, 181,578.60 and 62,012.40 is: 92,941.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,153.20 : 181,578.60 = 62,012.40 : x
  2. Step 2: Convert to fraction form
    121,153.20/181,578.60 = 62,012.40/x
  3. Step 3: Cross multiply
    121,153.20x = 181,578.60 × 62,012.40
  4. Step 4: Simplify right side
    121,153.20x = 11,260,124,774.64
  5. Step 5: Solve for x
    x = 11,260,124,774.64/121,153.20
  6. Step 6: Final answer
    x = 92,941.21

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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.