Home / 208,510.24-312,783.75-58,751.80

Finding the Fourth Proportional to 208,510.24, 312,783.75 and 58,751.80

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Solution

The fourth proportional to 208,510.24, 312,783.75 and 58,751.80 is: 88,132.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,510.24 : 312,783.75 = 58,751.80 : x
  2. Step 2: Convert to fraction form
    208,510.24/312,783.75 = 58,751.80/x
  3. Step 3: Cross multiply
    208,510.24x = 312,783.75 × 58,751.80
  4. Step 4: Simplify right side
    208,510.24x = 18,376,608,323.25
  5. Step 5: Solve for x
    x = 18,376,608,323.25/208,510.24
  6. Step 6: Final answer
    x = 88,132.88

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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.