Home / 190,261.58-285,215.85-70,252.25

Finding the Fourth Proportional to 190,261.58, 285,215.85 and 70,252.25

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Solution

The fourth proportional to 190,261.58, 285,215.85 and 70,252.25 is: 105,313.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,261.58 : 285,215.85 = 70,252.25 : x
  2. Step 2: Convert to fraction form
    190,261.58/285,215.85 = 70,252.25/x
  3. Step 3: Cross multiply
    190,261.58x = 285,215.85 × 70,252.25
  4. Step 4: Simplify right side
    190,261.58x = 20,037,053,772.08
  5. Step 5: Solve for x
    x = 20,037,053,772.08/190,261.58
  6. Step 6: Final answer
    x = 105,313.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.