Home / 151,276.40-208,759.76-83,291.62

Finding the Fourth Proportional to 151,276.40, 208,759.76 and 83,291.62

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Solution

The fourth proportional to 151,276.40, 208,759.76 and 83,291.62 is: 114,941.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,276.40 : 208,759.76 = 83,291.62 : x
  2. Step 2: Convert to fraction form
    151,276.40/208,759.76 = 83,291.62/x
  3. Step 3: Cross multiply
    151,276.40x = 208,759.76 × 83,291.62
  4. Step 4: Simplify right side
    151,276.40x = 17,387,937,662.85
  5. Step 5: Solve for x
    x = 17,387,937,662.85/151,276.40
  6. Step 6: Final answer
    x = 114,941.51

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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.