Home / 190,332.36-262,655.22-105,449.16

Finding the Fourth Proportional to 190,332.36, 262,655.22 and 105,449.16

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Solution

The fourth proportional to 190,332.36, 262,655.22 and 105,449.16 is: 145,517.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,332.36 : 262,655.22 = 105,449.16 : x
  2. Step 2: Convert to fraction form
    190,332.36/262,655.22 = 105,449.16/x
  3. Step 3: Cross multiply
    190,332.36x = 262,655.22 × 105,449.16
  4. Step 4: Simplify right side
    190,332.36x = 27,696,772,318.62
  5. Step 5: Solve for x
    x = 27,696,772,318.62/190,332.36
  6. Step 6: Final answer
    x = 145,517.94

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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.