Home / 257,133.04-384,135.89-166,436.94

Finding the Fourth Proportional to 257,133.04, 384,135.89 and 166,436.94

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Solution

The fourth proportional to 257,133.04, 384,135.89 and 166,436.94 is: 248,643.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    257,133.04 : 384,135.89 = 166,436.94 : x
  2. Step 2: Convert to fraction form
    257,133.04/384,135.89 = 166,436.94/x
  3. Step 3: Cross multiply
    257,133.04x = 384,135.89 × 166,436.94
  4. Step 4: Simplify right side
    257,133.04x = 63,934,400,571.19
  5. Step 5: Solve for x
    x = 63,934,400,571.19/257,133.04
  6. Step 6: Final answer
    x = 248,643.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.