Home / 186,847.40-280,271.10-53,715.80

Finding the Fourth Proportional to 186,847.40, 280,271.10 and 53,715.80

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Solution

The fourth proportional to 186,847.40, 280,271.10 and 53,715.80 is: 80,573.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,847.40 : 280,271.10 = 53,715.80 : x
  2. Step 2: Convert to fraction form
    186,847.40/280,271.10 = 53,715.80/x
  3. Step 3: Cross multiply
    186,847.40x = 280,271.10 × 53,715.80
  4. Step 4: Simplify right side
    186,847.40x = 15,054,986,353.38
  5. Step 5: Solve for x
    x = 15,054,986,353.38/186,847.40
  6. Step 6: Final answer
    x = 80,573.70

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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.