Home / 181,011.28-249,791.73-100,437.07

Finding the Fourth Proportional to 181,011.28, 249,791.73 and 100,437.07

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Solution

The fourth proportional to 181,011.28, 249,791.73 and 100,437.07 is: 138,601.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,011.28 : 249,791.73 = 100,437.07 : x
  2. Step 2: Convert to fraction form
    181,011.28/249,791.73 = 100,437.07/x
  3. Step 3: Cross multiply
    181,011.28x = 249,791.73 × 100,437.07
  4. Step 4: Simplify right side
    181,011.28x = 25,088,349,471.43
  5. Step 5: Solve for x
    x = 25,088,349,471.43/181,011.28
  6. Step 6: Final answer
    x = 138,601.03

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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.