Home / 151,901.92-209,623.64-83,923.28

Finding the Fourth Proportional to 151,901.92, 209,623.64 and 83,923.28

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Solution

The fourth proportional to 151,901.92, 209,623.64 and 83,923.28 is: 115,813.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,901.92 : 209,623.64 = 83,923.28 : x
  2. Step 2: Convert to fraction form
    151,901.92/209,623.64 = 83,923.28/x
  3. Step 3: Cross multiply
    151,901.92x = 209,623.64 × 83,923.28
  4. Step 4: Simplify right side
    151,901.92x = 17,592,303,434.34
  5. Step 5: Solve for x
    x = 17,592,303,434.34/151,901.92
  6. Step 6: Final answer
    x = 115,813.57

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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.