Home / 190,190.04-262,470.44-105,307.08

Finding the Fourth Proportional to 190,190.04, 262,470.44 and 105,307.08

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Solution

The fourth proportional to 190,190.04, 262,470.44 and 105,307.08 is: 145,328.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,190.04 : 262,470.44 = 105,307.08 : x
  2. Step 2: Convert to fraction form
    190,190.04/262,470.44 = 105,307.08/x
  3. Step 3: Cross multiply
    190,190.04x = 262,470.44 × 105,307.08
  4. Step 4: Simplify right side
    190,190.04x = 27,639,995,622.72
  5. Step 5: Solve for x
    x = 27,639,995,622.72/190,190.04
  6. Step 6: Final answer
    x = 145,328.30

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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.