Home / 190,262.35-262,738.54-142,432.66

Finding the Fourth Proportional to 190,262.35, 262,738.54 and 142,432.66

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Solution

The fourth proportional to 190,262.35, 262,738.54 and 142,432.66 is: 196,689.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,262.35 : 262,738.54 = 142,432.66 : x
  2. Step 2: Convert to fraction form
    190,262.35/262,738.54 = 142,432.66/x
  3. Step 3: Cross multiply
    190,262.35x = 262,738.54 × 142,432.66
  4. Step 4: Simplify right side
    190,262.35x = 37,422,549,643.18
  5. Step 5: Solve for x
    x = 37,422,549,643.18/190,262.35
  6. Step 6: Final answer
    x = 196,689.20

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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.