Home / 103,783.62-143,232.28-63,524.18

Finding the Fourth Proportional to 103,783.62, 143,232.28 and 63,524.18

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Solution

The fourth proportional to 103,783.62, 143,232.28 and 63,524.18 is: 87,670.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,783.62 : 143,232.28 = 63,524.18 : x
  2. Step 2: Convert to fraction form
    103,783.62/143,232.28 = 63,524.18/x
  3. Step 3: Cross multiply
    103,783.62x = 143,232.28 × 63,524.18
  4. Step 4: Simplify right side
    103,783.62x = 9,098,713,136.53
  5. Step 5: Solve for x
    x = 9,098,713,136.53/103,783.62
  6. Step 6: Final answer
    x = 87,670.03

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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.