Home / 181,970.27-251,126.69-101,397.86

Finding the Fourth Proportional to 181,970.27, 251,126.69 and 101,397.86

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Solution

The fourth proportional to 181,970.27, 251,126.69 and 101,397.86 is: 139,933.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,970.27 : 251,126.69 = 101,397.86 : x
  2. Step 2: Convert to fraction form
    181,970.27/251,126.69 = 101,397.86/x
  3. Step 3: Cross multiply
    181,970.27x = 251,126.69 × 101,397.86
  4. Step 4: Simplify right side
    181,970.27x = 25,463,707,192.26
  5. Step 5: Solve for x
    x = 25,463,707,192.26/181,970.27
  6. Step 6: Final answer
    x = 139,933.34

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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.