Home / 151,056.53-208,453.84-83,073.50

Finding the Fourth Proportional to 151,056.53, 208,453.84 and 83,073.50

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Solution

The fourth proportional to 151,056.53, 208,453.84 and 83,073.50 is: 114,639.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,056.53 : 208,453.84 = 83,073.50 : x
  2. Step 2: Convert to fraction form
    151,056.53/208,453.84 = 83,073.50/x
  3. Step 3: Cross multiply
    151,056.53x = 208,453.84 × 83,073.50
  4. Step 4: Simplify right side
    151,056.53x = 17,316,989,608.99
  5. Step 5: Solve for x
    x = 17,316,989,608.99/151,056.53
  6. Step 6: Final answer
    x = 114,639.13

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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.