Home / 282,839.96-424,260-83,161.32

Finding the Fourth Proportional to 282,839.96, 424,260 and 83,161.32

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Solution

The fourth proportional to 282,839.96, 424,260 and 83,161.32 is: 124,742.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,839.96 : 424,260 = 83,161.32 : x
  2. Step 2: Convert to fraction form
    282,839.96/424,260 = 83,161.32/x
  3. Step 3: Cross multiply
    282,839.96x = 424,260 × 83,161.32
  4. Step 4: Simplify right side
    282,839.96x = 35,282,021,623.20
  5. Step 5: Solve for x
    x = 35,282,021,623.20/282,839.96
  6. Step 6: Final answer
    x = 124,742.00

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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.