Home / 151,348.18-208,858.57-83,363.78

Finding the Fourth Proportional to 151,348.18, 208,858.57 and 83,363.78

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Solution

The fourth proportional to 151,348.18, 208,858.57 and 83,363.78 is: 115,040.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,348.18 : 208,858.57 = 83,363.78 : x
  2. Step 2: Convert to fraction form
    151,348.18/208,858.57 = 83,363.78/x
  3. Step 3: Cross multiply
    151,348.18x = 208,858.57 × 83,363.78
  4. Step 4: Simplify right side
    151,348.18x = 17,411,239,880.59
  5. Step 5: Solve for x
    x = 17,411,239,880.59/151,348.18
  6. Step 6: Final answer
    x = 115,040.96

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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.