Home / 190,306.32-262,611.36-105,417.24

Finding the Fourth Proportional to 190,306.32, 262,611.36 and 105,417.24

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Solution

The fourth proportional to 190,306.32, 262,611.36 and 105,417.24 is: 145,469.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,306.32 : 262,611.36 = 105,417.24 : x
  2. Step 2: Convert to fraction form
    190,306.32/262,611.36 = 105,417.24/x
  3. Step 3: Cross multiply
    190,306.32x = 262,611.36 × 105,417.24
  4. Step 4: Simplify right side
    190,306.32x = 27,683,764,763.85
  5. Step 5: Solve for x
    x = 27,683,764,763.85/190,306.32
  6. Step 6: Final answer
    x = 145,469.50

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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.