Home / 181,147.48-249,982.56-99,477.32

Finding the Fourth Proportional to 181,147.48, 249,982.56 and 99,477.32

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Solution

The fourth proportional to 181,147.48, 249,982.56 and 99,477.32 is: 137,278.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,147.48 : 249,982.56 = 99,477.32 : x
  2. Step 2: Convert to fraction form
    181,147.48/249,982.56 = 99,477.32/x
  3. Step 3: Cross multiply
    181,147.48x = 249,982.56 × 99,477.32
  4. Step 4: Simplify right side
    181,147.48x = 24,867,593,865.63
  5. Step 5: Solve for x
    x = 24,867,593,865.63/181,147.48
  6. Step 6: Final answer
    x = 137,278.17

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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.