Home / 256,975.47-354,786.95-165,131.93

Finding the Fourth Proportional to 256,975.47, 354,786.95 and 165,131.93

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Solution

The fourth proportional to 256,975.47, 354,786.95 and 165,131.93 is: 227,985.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,975.47 : 354,786.95 = 165,131.93 : x
  2. Step 2: Convert to fraction form
    256,975.47/354,786.95 = 165,131.93/x
  3. Step 3: Cross multiply
    256,975.47x = 354,786.95 × 165,131.93
  4. Step 4: Simplify right side
    256,975.47x = 58,586,655,092.11
  5. Step 5: Solve for x
    x = 58,586,655,092.11/256,975.47
  6. Step 6: Final answer
    x = 227,985.40

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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.