Home / 181,001.84-249,778.71-100,427.63

Finding the Fourth Proportional to 181,001.84, 249,778.71 and 100,427.63

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Solution

The fourth proportional to 181,001.84, 249,778.71 and 100,427.63 is: 138,588.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,001.84 : 249,778.71 = 100,427.63 : x
  2. Step 2: Convert to fraction form
    181,001.84/249,778.71 = 100,427.63/x
  3. Step 3: Cross multiply
    181,001.84x = 249,778.71 × 100,427.63
  4. Step 4: Simplify right side
    181,001.84x = 25,084,682,620.86
  5. Step 5: Solve for x
    x = 25,084,682,620.86/181,001.84
  6. Step 6: Final answer
    x = 138,588.00

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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.