Home / 151,315.19-208,816.53-83,333.51

Finding the Fourth Proportional to 151,315.19, 208,816.53 and 83,333.51

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Solution

The fourth proportional to 151,315.19, 208,816.53 and 83,333.51 is: 115,001.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,315.19 : 208,816.53 = 83,333.51 : x
  2. Step 2: Convert to fraction form
    151,315.19/208,816.53 = 83,333.51/x
  3. Step 3: Cross multiply
    151,315.19x = 208,816.53 × 83,333.51
  4. Step 4: Simplify right side
    151,315.19x = 17,401,414,286.15
  5. Step 5: Solve for x
    x = 17,401,414,286.15/151,315.19
  6. Step 6: Final answer
    x = 115,001.11

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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.