Home / 190,205.24-262,480.02-105,320.48

Finding the Fourth Proportional to 190,205.24, 262,480.02 and 105,320.48

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Solution

The fourth proportional to 190,205.24, 262,480.02 and 105,320.48 is: 145,340.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,205.24 : 262,480.02 = 105,320.48 : x
  2. Step 2: Convert to fraction form
    190,205.24/262,480.02 = 105,320.48/x
  3. Step 3: Cross multiply
    190,205.24x = 262,480.02 × 105,320.48
  4. Step 4: Simplify right side
    190,205.24x = 27,644,521,696.81
  5. Step 5: Solve for x
    x = 27,644,521,696.81/190,205.24
  6. Step 6: Final answer
    x = 145,340.48

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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.