Home / 190,776.87-263,258.91-105,887.25

Finding the Fourth Proportional to 190,776.87, 263,258.91 and 105,887.25

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Solution

The fourth proportional to 190,776.87, 263,258.91 and 105,887.25 is: 146,117.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,776.87 : 263,258.91 = 105,887.25 : x
  2. Step 2: Convert to fraction form
    190,776.87/263,258.91 = 105,887.25/x
  3. Step 3: Cross multiply
    190,776.87x = 263,258.91 × 105,887.25
  4. Step 4: Simplify right side
    190,776.87x = 27,875,762,017.90
  5. Step 5: Solve for x
    x = 27,875,762,017.90/190,776.87
  6. Step 6: Final answer
    x = 146,117.09

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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.