Home / 181,074.70-249,871.33-100,502.25

Finding the Fourth Proportional to 181,074.70, 249,871.33 and 100,502.25

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Solution

The fourth proportional to 181,074.70, 249,871.33 and 100,502.25 is: 138,686.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,074.70 : 249,871.33 = 100,502.25 : x
  2. Step 2: Convert to fraction form
    181,074.70/249,871.33 = 100,502.25/x
  3. Step 3: Cross multiply
    181,074.70x = 249,871.33 × 100,502.25
  4. Step 4: Simplify right side
    181,074.70x = 25,112,630,875.49
  5. Step 5: Solve for x
    x = 25,112,630,875.49/181,074.70
  6. Step 6: Final answer
    x = 138,686.58

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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.