Home / 190,017.84-285,026.76-154,436.20

Finding the Fourth Proportional to 190,017.84, 285,026.76 and 154,436.20

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Solution

The fourth proportional to 190,017.84, 285,026.76 and 154,436.20 is: 231,654.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,017.84 : 285,026.76 = 154,436.20 : x
  2. Step 2: Convert to fraction form
    190,017.84/285,026.76 = 154,436.20/x
  3. Step 3: Cross multiply
    190,017.84x = 285,026.76 × 154,436.20
  4. Step 4: Simplify right side
    190,017.84x = 44,018,449,242.08
  5. Step 5: Solve for x
    x = 44,018,449,242.08/190,017.84
  6. Step 6: Final answer
    x = 231,654.30

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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.