Home / 280,851.54-387,573.15-153,527.44

Finding the Fourth Proportional to 280,851.54, 387,573.15 and 153,527.44

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Solution

The fourth proportional to 280,851.54, 387,573.15 and 153,527.44 is: 211,866.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    280,851.54 : 387,573.15 = 153,527.44 : x
  2. Step 2: Convert to fraction form
    280,851.54/387,573.15 = 153,527.44/x
  3. Step 3: Cross multiply
    280,851.54x = 387,573.15 × 153,527.44
  4. Step 4: Simplify right side
    280,851.54x = 59,503,113,532.24
  5. Step 5: Solve for x
    x = 59,503,113,532.24/280,851.54
  6. Step 6: Final answer
    x = 211,866.79

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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.