Home / 190,209.17-285,332.78-70,297.63

Finding the Fourth Proportional to 190,209.17, 285,332.78 and 70,297.63

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Solution

The fourth proportional to 190,209.17, 285,332.78 and 70,297.63 is: 105,453.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,209.17 : 285,332.78 = 70,297.63 : x
  2. Step 2: Convert to fraction form
    190,209.17/285,332.78 = 70,297.63/x
  3. Step 3: Cross multiply
    190,209.17x = 285,332.78 × 70,297.63
  4. Step 4: Simplify right side
    190,209.17x = 20,058,218,195.31
  5. Step 5: Solve for x
    x = 20,058,218,195.31/190,209.17
  6. Step 6: Final answer
    x = 105,453.48

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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.