Home / 142,755.14-214,441.70-92,809.53

Finding the Fourth Proportional to 142,755.14, 214,441.70 and 92,809.53

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Solution

The fourth proportional to 142,755.14, 214,441.70 and 92,809.53 is: 139,415.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,755.14 : 214,441.70 = 92,809.53 : x
  2. Step 2: Convert to fraction form
    142,755.14/214,441.70 = 92,809.53/x
  3. Step 3: Cross multiply
    142,755.14x = 214,441.70 × 92,809.53
  4. Step 4: Simplify right side
    142,755.14x = 19,902,232,925.35
  5. Step 5: Solve for x
    x = 19,902,232,925.35/142,755.14
  6. Step 6: Final answer
    x = 139,415.17

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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.