Home / 181,043.77-249,840.54-100,471.35

Finding the Fourth Proportional to 181,043.77, 249,840.54 and 100,471.35

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Solution

The fourth proportional to 181,043.77, 249,840.54 and 100,471.35 is: 138,650.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,043.77 : 249,840.54 = 100,471.35 : x
  2. Step 2: Convert to fraction form
    181,043.77/249,840.54 = 100,471.35/x
  3. Step 3: Cross multiply
    181,043.77x = 249,840.54 × 100,471.35
  4. Step 4: Simplify right side
    181,043.77x = 25,101,816,338.53
  5. Step 5: Solve for x
    x = 25,101,816,338.53/181,043.77
  6. Step 6: Final answer
    x = 138,650.54

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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.