Home / 282,806.23-424,209.45-83,126.65

Finding the Fourth Proportional to 282,806.23, 424,209.45 and 83,126.65

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Solution

The fourth proportional to 282,806.23, 424,209.45 and 83,126.65 is: 124,690.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,806.23 : 424,209.45 = 83,126.65 : x
  2. Step 2: Convert to fraction form
    282,806.23/424,209.45 = 83,126.65/x
  3. Step 3: Cross multiply
    282,806.23x = 424,209.45 × 83,126.65
  4. Step 4: Simplify right side
    282,806.23x = 35,263,110,476.84
  5. Step 5: Solve for x
    x = 35,263,110,476.84/282,806.23
  6. Step 6: Final answer
    x = 124,690.01

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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.