Home / 190,200.27-262,473.17-105,315.51

Finding the Fourth Proportional to 190,200.27, 262,473.17 and 105,315.51

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Solution

The fourth proportional to 190,200.27, 262,473.17 and 105,315.51 is: 145,333.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,200.27 : 262,473.17 = 105,315.51 : x
  2. Step 2: Convert to fraction form
    190,200.27/262,473.17 = 105,315.51/x
  3. Step 3: Cross multiply
    190,200.27x = 262,473.17 × 105,315.51
  4. Step 4: Simplify right side
    190,200.27x = 27,642,495,233.29
  5. Step 5: Solve for x
    x = 27,642,495,233.29/190,200.27
  6. Step 6: Final answer
    x = 145,333.63

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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.