Home / 257,816.79-355,852.57-176,178.10

Finding the Fourth Proportional to 257,816.79, 355,852.57 and 176,178.10

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Solution

The fourth proportional to 257,816.79, 355,852.57 and 176,178.10 is: 243,170.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    257,816.79 : 355,852.57 = 176,178.10 : x
  2. Step 2: Convert to fraction form
    257,816.79/355,852.57 = 176,178.10/x
  3. Step 3: Cross multiply
    257,816.79x = 355,852.57 × 176,178.10
  4. Step 4: Simplify right side
    257,816.79x = 62,693,429,662.72
  5. Step 5: Solve for x
    x = 62,693,429,662.72/257,816.79
  6. Step 6: Final answer
    x = 243,170.47

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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.