Home / 353,525.28-487,875.14-192,390.72

Finding the Fourth Proportional to 353,525.28, 487,875.14 and 192,390.72

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Solution

The fourth proportional to 353,525.28, 487,875.14 and 192,390.72 is: 265,504.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,525.28 : 487,875.14 = 192,390.72 : x
  2. Step 2: Convert to fraction form
    353,525.28/487,875.14 = 192,390.72/x
  3. Step 3: Cross multiply
    353,525.28x = 487,875.14 × 192,390.72
  4. Step 4: Simplify right side
    353,525.28x = 93,862,649,454.70
  5. Step 5: Solve for x
    x = 93,862,649,454.70/353,525.28
  6. Step 6: Final answer
    x = 265,504.77

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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.