Home / 190,327.48-262,533-122,432.88

Finding the Fourth Proportional to 190,327.48, 262,533 and 122,432.88

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Solution

The fourth proportional to 190,327.48, 262,533 and 122,432.88 is: 168,880.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,327.48 : 262,533 = 122,432.88 : x
  2. Step 2: Convert to fraction form
    190,327.48/262,533 = 122,432.88/x
  3. Step 3: Cross multiply
    190,327.48x = 262,533 × 122,432.88
  4. Step 4: Simplify right side
    190,327.48x = 32,142,671,285.04
  5. Step 5: Solve for x
    x = 32,142,671,285.04/190,327.48
  6. Step 6: Final answer
    x = 168,880.87

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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.