Home / 190,147.27-262,421.50-105,264.34

Finding the Fourth Proportional to 190,147.27, 262,421.50 and 105,264.34

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Solution

The fourth proportional to 190,147.27, 262,421.50 and 105,264.34 is: 145,274.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,147.27 : 262,421.50 = 105,264.34 : x
  2. Step 2: Convert to fraction form
    190,147.27/262,421.50 = 105,264.34/x
  3. Step 3: Cross multiply
    190,147.27x = 262,421.50 × 105,264.34
  4. Step 4: Simplify right side
    190,147.27x = 27,623,625,999.31
  5. Step 5: Solve for x
    x = 27,623,625,999.31/190,147.27
  6. Step 6: Final answer
    x = 145,274.90

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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.