Home / 190,002.24-284,911.32-77,637.84

Finding the Fourth Proportional to 190,002.24, 284,911.32 and 77,637.84

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Solution

The fourth proportional to 190,002.24, 284,911.32 and 77,637.84 is: 116,419.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,002.24 : 284,911.32 = 77,637.84 : x
  2. Step 2: Convert to fraction form
    190,002.24/284,911.32 = 77,637.84/x
  3. Step 3: Cross multiply
    190,002.24x = 284,911.32 × 77,637.84
  4. Step 4: Simplify right side
    190,002.24x = 22,119,899,476.35
  5. Step 5: Solve for x
    x = 22,119,899,476.35/190,002.24
  6. Step 6: Final answer
    x = 116,419.15

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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.