Home / 190,039.10-285,058.65-101,246.90

Finding the Fourth Proportional to 190,039.10, 285,058.65 and 101,246.90

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Solution

The fourth proportional to 190,039.10, 285,058.65 and 101,246.90 is: 151,870.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,039.10 : 285,058.65 = 101,246.90 : x
  2. Step 2: Convert to fraction form
    190,039.10/285,058.65 = 101,246.90/x
  3. Step 3: Cross multiply
    190,039.10x = 285,058.65 × 101,246.90
  4. Step 4: Simplify right side
    190,039.10x = 28,861,304,630.69
  5. Step 5: Solve for x
    x = 28,861,304,630.69/190,039.10
  6. Step 6: Final answer
    x = 151,870.35

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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.