Home / 143,031.51-214,399.62-93,208.95

Finding the Fourth Proportional to 143,031.51, 214,399.62 and 93,208.95

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Solution

The fourth proportional to 143,031.51, 214,399.62 and 93,208.95 is: 139,717.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,031.51 : 214,399.62 = 93,208.95 : x
  2. Step 2: Convert to fraction form
    143,031.51/214,399.62 = 93,208.95/x
  3. Step 3: Cross multiply
    143,031.51x = 214,399.62 × 93,208.95
  4. Step 4: Simplify right side
    143,031.51x = 19,983,963,460.60
  5. Step 5: Solve for x
    x = 19,983,963,460.60/143,031.51
  6. Step 6: Final answer
    x = 139,717.21

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.