Home / 180,157.83-248,617.73-99,585.39

Finding the Fourth Proportional to 180,157.83, 248,617.73 and 99,585.39

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Solution

The fourth proportional to 180,157.83, 248,617.73 and 99,585.39 is: 137,427.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,157.83 : 248,617.73 = 99,585.39 : x
  2. Step 2: Convert to fraction form
    180,157.83/248,617.73 = 99,585.39/x
  3. Step 3: Cross multiply
    180,157.83x = 248,617.73 × 99,585.39
  4. Step 4: Simplify right side
    180,157.83x = 24,758,693,105.04
  5. Step 5: Solve for x
    x = 24,758,693,105.04/180,157.83
  6. Step 6: Final answer
    x = 137,427.79

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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.