Home / 143,314.20-214,712.10-116,875.80

Finding the Fourth Proportional to 143,314.20, 214,712.10 and 116,875.80

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Solution

The fourth proportional to 143,314.20, 214,712.10 and 116,875.80 is: 175,102.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,314.20 : 214,712.10 = 116,875.80 : x
  2. Step 2: Convert to fraction form
    143,314.20/214,712.10 = 116,875.80/x
  3. Step 3: Cross multiply
    143,314.20x = 214,712.10 × 116,875.80
  4. Step 4: Simplify right side
    143,314.20x = 25,094,648,457.18
  5. Step 5: Solve for x
    x = 25,094,648,457.18/143,314.20
  6. Step 6: Final answer
    x = 175,102.32

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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.