Home / 151,838.62-209,533.70-83,854.24

Finding the Fourth Proportional to 151,838.62, 209,533.70 and 83,854.24

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Solution

The fourth proportional to 151,838.62, 209,533.70 and 83,854.24 is: 115,716.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,838.62 : 209,533.70 = 83,854.24 : x
  2. Step 2: Convert to fraction form
    151,838.62/209,533.70 = 83,854.24/x
  3. Step 3: Cross multiply
    151,838.62x = 209,533.70 × 83,854.24
  4. Step 4: Simplify right side
    151,838.62x = 17,570,289,167.89
  5. Step 5: Solve for x
    x = 17,570,289,167.89/151,838.62
  6. Step 6: Final answer
    x = 115,716.87

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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.