Home / 257,657.16-355,570.38-193,011.87

Finding the Fourth Proportional to 257,657.16, 355,570.38 and 193,011.87

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Solution

The fourth proportional to 257,657.16, 355,570.38 and 193,011.87 is: 266,359.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    257,657.16 : 355,570.38 = 193,011.87 : x
  2. Step 2: Convert to fraction form
    257,657.16/355,570.38 = 193,011.87/x
  3. Step 3: Cross multiply
    257,657.16x = 355,570.38 × 193,011.87
  4. Step 4: Simplify right side
    257,657.16x = 68,629,303,960.41
  5. Step 5: Solve for x
    x = 68,629,303,960.41/257,657.16
  6. Step 6: Final answer
    x = 266,359.00

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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.