Home / 257,721.75-355,811.54-168,453.27

Finding the Fourth Proportional to 257,721.75, 355,811.54 and 168,453.27

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Solution

The fourth proportional to 257,721.75, 355,811.54 and 168,453.27 is: 232,567.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    257,721.75 : 355,811.54 = 168,453.27 : x
  2. Step 2: Convert to fraction form
    257,721.75/355,811.54 = 168,453.27/x
  3. Step 3: Cross multiply
    257,721.75x = 355,811.54 × 168,453.27
  4. Step 4: Simplify right side
    257,721.75x = 59,937,616,574.47
  5. Step 5: Solve for x
    x = 59,937,616,574.47/257,721.75
  6. Step 6: Final answer
    x = 232,567.16

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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.