Home / 151,056.69-208,454.07-83,073.66

Finding the Fourth Proportional to 151,056.69, 208,454.07 and 83,073.66

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Solution

The fourth proportional to 151,056.69, 208,454.07 and 83,073.66 is: 114,639.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,056.69 : 208,454.07 = 83,073.66 : x
  2. Step 2: Convert to fraction form
    151,056.69/208,454.07 = 83,073.66/x
  3. Step 3: Cross multiply
    151,056.69x = 208,454.07 × 83,073.66
  4. Step 4: Simplify right side
    151,056.69x = 17,317,043,313.27
  5. Step 5: Solve for x
    x = 17,317,043,313.27/151,056.69
  6. Step 6: Final answer
    x = 114,639.37

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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.