Home / 122,344.36-183,303.98-66,223.16

Finding the Fourth Proportional to 122,344.36, 183,303.98 and 66,223.16

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Solution

The fourth proportional to 122,344.36, 183,303.98 and 66,223.16 is: 99,219.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,344.36 : 183,303.98 = 66,223.16 : x
  2. Step 2: Convert to fraction form
    122,344.36/183,303.98 = 66,223.16/x
  3. Step 3: Cross multiply
    122,344.36x = 183,303.98 × 66,223.16
  4. Step 4: Simplify right side
    122,344.36x = 12,138,968,796.18
  5. Step 5: Solve for x
    x = 12,138,968,796.18/122,344.36
  6. Step 6: Final answer
    x = 99,219.68

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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.