Home / 122,240.60-183,317.15-66,122.18

Finding the Fourth Proportional to 122,240.60, 183,317.15 and 66,122.18

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Solution

The fourth proportional to 122,240.60, 183,317.15 and 66,122.18 is: 99,159.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,240.60 : 183,317.15 = 66,122.18 : x
  2. Step 2: Convert to fraction form
    122,240.60/183,317.15 = 66,122.18/x
  3. Step 3: Cross multiply
    122,240.60x = 183,317.15 × 66,122.18
  4. Step 4: Simplify right side
    122,240.60x = 12,121,328,838.11
  5. Step 5: Solve for x
    x = 12,121,328,838.11/122,240.60
  6. Step 6: Final answer
    x = 99,159.60

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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.