Home / 190,125.48-285,705.18-101,441.64

Finding the Fourth Proportional to 190,125.48, 285,705.18 and 101,441.64

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Solution

The fourth proportional to 190,125.48, 285,705.18 and 101,441.64 is: 152,438.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,125.48 : 285,705.18 = 101,441.64 : x
  2. Step 2: Convert to fraction form
    190,125.48/285,705.18 = 101,441.64/x
  3. Step 3: Cross multiply
    190,125.48x = 285,705.18 × 101,441.64
  4. Step 4: Simplify right side
    190,125.48x = 28,982,402,015.70
  5. Step 5: Solve for x
    x = 28,982,402,015.70/190,125.48
  6. Step 6: Final answer
    x = 152,438.28

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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.