Home / 190,024.20-284,969.10-65,336.20

Finding the Fourth Proportional to 190,024.20, 284,969.10 and 65,336.20

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Solution

The fourth proportional to 190,024.20, 284,969.10 and 65,336.20 is: 97,981.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,024.20 : 284,969.10 = 65,336.20 : x
  2. Step 2: Convert to fraction form
    190,024.20/284,969.10 = 65,336.20/x
  3. Step 3: Cross multiply
    190,024.20x = 284,969.10 × 65,336.20
  4. Step 4: Simplify right side
    190,024.20x = 18,618,798,111.42
  5. Step 5: Solve for x
    x = 18,618,798,111.42/190,024.20
  6. Step 6: Final answer
    x = 97,981.19

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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.