Home / 181,890.81-251,002.73-101,316.68

Finding the Fourth Proportional to 181,890.81, 251,002.73 and 101,316.68

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Solution

The fourth proportional to 181,890.81, 251,002.73 and 101,316.68 is: 139,813.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,890.81 : 251,002.73 = 101,316.68 : x
  2. Step 2: Convert to fraction form
    181,890.81/251,002.73 = 101,316.68/x
  3. Step 3: Cross multiply
    181,890.81x = 251,002.73 × 101,316.68
  4. Step 4: Simplify right side
    181,890.81x = 25,430,761,512.94
  5. Step 5: Solve for x
    x = 25,430,761,512.94/181,890.81
  6. Step 6: Final answer
    x = 139,813.34

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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.