Home / 181,985.90-251,137.10-101,411.66

Finding the Fourth Proportional to 181,985.90, 251,137.10 and 101,411.66

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Solution

The fourth proportional to 181,985.90, 251,137.10 and 101,411.66 is: 139,946.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,985.90 : 251,137.10 = 101,411.66 : x
  2. Step 2: Convert to fraction form
    181,985.90/251,137.10 = 101,411.66/x
  3. Step 3: Cross multiply
    181,985.90x = 251,137.10 × 101,411.66
  4. Step 4: Simplify right side
    181,985.90x = 25,468,228,435.84
  5. Step 5: Solve for x
    x = 25,468,228,435.84/181,985.90
  6. Step 6: Final answer
    x = 139,946.17

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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.