Home / 282,945.54-424,485.74-83,272.44

Finding the Fourth Proportional to 282,945.54, 424,485.74 and 83,272.44

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Solution

The fourth proportional to 282,945.54, 424,485.74 and 83,272.44 is: 124,928.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,945.54 : 424,485.74 = 83,272.44 : x
  2. Step 2: Convert to fraction form
    282,945.54/424,485.74 = 83,272.44/x
  3. Step 3: Cross multiply
    282,945.54x = 424,485.74 × 83,272.44
  4. Step 4: Simplify right side
    282,945.54x = 35,347,960,776.21
  5. Step 5: Solve for x
    x = 35,347,960,776.21/282,945.54
  6. Step 6: Final answer
    x = 124,928.50

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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.