Home / 181,007.18-249,789.88-100,435.27

Finding the Fourth Proportional to 181,007.18, 249,789.88 and 100,435.27

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Solution

The fourth proportional to 181,007.18, 249,789.88 and 100,435.27 is: 138,600.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,007.18 : 249,789.88 = 100,435.27 : x
  2. Step 2: Convert to fraction form
    181,007.18/249,789.88 = 100,435.27/x
  3. Step 3: Cross multiply
    181,007.18x = 249,789.88 × 100,435.27
  4. Step 4: Simplify right side
    181,007.18x = 25,087,712,289.94
  5. Step 5: Solve for x
    x = 25,087,712,289.94/181,007.18
  6. Step 6: Final answer
    x = 138,600.65

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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.