Home / 353,574.96-487,924.14-192,426.60

Finding the Fourth Proportional to 353,574.96, 487,924.14 and 192,426.60

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Solution

The fourth proportional to 353,574.96, 487,924.14 and 192,426.60 is: 265,543.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,574.96 : 487,924.14 = 192,426.60 : x
  2. Step 2: Convert to fraction form
    353,574.96/487,924.14 = 192,426.60/x
  3. Step 3: Cross multiply
    353,574.96x = 487,924.14 × 192,426.60
  4. Step 4: Simplify right side
    353,574.96x = 93,889,583,318.12
  5. Step 5: Solve for x
    x = 93,889,583,318.12/353,574.96
  6. Step 6: Final answer
    x = 265,543.64

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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.