Home / 190,275.83-262,580.03-105,392.90

Finding the Fourth Proportional to 190,275.83, 262,580.03 and 105,392.90

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Solution

The fourth proportional to 190,275.83, 262,580.03 and 105,392.90 is: 145,441.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,275.83 : 262,580.03 = 105,392.90 : x
  2. Step 2: Convert to fraction form
    190,275.83/262,580.03 = 105,392.90/x
  3. Step 3: Cross multiply
    190,275.83x = 262,580.03 × 105,392.90
  4. Step 4: Simplify right side
    190,275.83x = 27,674,069,891.48
  5. Step 5: Solve for x
    x = 27,674,069,891.48/190,275.83
  6. Step 6: Final answer
    x = 145,441.85

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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.