Home / 280,091.08-386,525.46-152,766.28

Finding the Fourth Proportional to 280,091.08, 386,525.46 and 152,766.28

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Solution

The fourth proportional to 280,091.08, 386,525.46 and 152,766.28 is: 210,817.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    280,091.08 : 386,525.46 = 152,766.28 : x
  2. Step 2: Convert to fraction form
    280,091.08/386,525.46 = 152,766.28/x
  3. Step 3: Cross multiply
    280,091.08x = 386,525.46 × 152,766.28
  4. Step 4: Simplify right side
    280,091.08x = 59,048,056,649.49
  5. Step 5: Solve for x
    x = 59,048,056,649.49/280,091.08
  6. Step 6: Final answer
    x = 210,817.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.