Home / 181,973.76-251,131.52-101,401.36

Finding the Fourth Proportional to 181,973.76, 251,131.52 and 101,401.36

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Solution

The fourth proportional to 181,973.76, 251,131.52 and 101,401.36 is: 139,938.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,973.76 : 251,131.52 = 101,401.36 : x
  2. Step 2: Convert to fraction form
    181,973.76/251,131.52 = 101,401.36/x
  3. Step 3: Cross multiply
    181,973.76x = 251,131.52 × 101,401.36
  4. Step 4: Simplify right side
    181,973.76x = 25,465,077,666.87
  5. Step 5: Solve for x
    x = 25,465,077,666.87/181,973.76
  6. Step 6: Final answer
    x = 139,938.18

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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.