Home / 190,258.50-262,553.51-105,373.74

Finding the Fourth Proportional to 190,258.50, 262,553.51 and 105,373.74

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Solution

The fourth proportional to 190,258.50, 262,553.51 and 105,373.74 is: 145,413.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,258.50 : 262,553.51 = 105,373.74 : x
  2. Step 2: Convert to fraction form
    190,258.50/262,553.51 = 105,373.74/x
  3. Step 3: Cross multiply
    190,258.50x = 262,553.51 × 105,373.74
  4. Step 4: Simplify right side
    190,258.50x = 27,666,244,771.96
  5. Step 5: Solve for x
    x = 27,666,244,771.96/190,258.50
  6. Step 6: Final answer
    x = 145,413.98

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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.