Home / 153,219.77-211,268.94-107,883.26

Finding the Fourth Proportional to 153,219.77, 211,268.94 and 107,883.26

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Solution

The fourth proportional to 153,219.77, 211,268.94 and 107,883.26 is: 148,756.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,219.77 : 211,268.94 = 107,883.26 : x
  2. Step 2: Convert to fraction form
    153,219.77/211,268.94 = 107,883.26/x
  3. Step 3: Cross multiply
    153,219.77x = 211,268.94 × 107,883.26
  4. Step 4: Simplify right side
    153,219.77x = 22,792,380,927.60
  5. Step 5: Solve for x
    x = 22,792,380,927.60/153,219.77
  6. Step 6: Final answer
    x = 148,756.14

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.