Home / 190,125.95-262,379.28-105,248.48

Finding the Fourth Proportional to 190,125.95, 262,379.28 and 105,248.48

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Solution

The fourth proportional to 190,125.95, 262,379.28 and 105,248.48 is: 145,245.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,125.95 : 262,379.28 = 105,248.48 : x
  2. Step 2: Convert to fraction form
    190,125.95/262,379.28 = 105,248.48/x
  3. Step 3: Cross multiply
    190,125.95x = 262,379.28 × 105,248.48
  4. Step 4: Simplify right side
    190,125.95x = 27,615,019,091.60
  5. Step 5: Solve for x
    x = 27,615,019,091.60/190,125.95
  6. Step 6: Final answer
    x = 145,245.93

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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.