Home / 256,678.02-384,696.27-123,522.53

Finding the Fourth Proportional to 256,678.02, 384,696.27 and 123,522.53

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Solution

The fourth proportional to 256,678.02, 384,696.27 and 123,522.53 is: 185,129.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,678.02 : 384,696.27 = 123,522.53 : x
  2. Step 2: Convert to fraction form
    256,678.02/384,696.27 = 123,522.53/x
  3. Step 3: Cross multiply
    256,678.02x = 384,696.27 × 123,522.53
  4. Step 4: Simplify right side
    256,678.02x = 47,518,654,628.48
  5. Step 5: Solve for x
    x = 47,518,654,628.48/256,678.02
  6. Step 6: Final answer
    x = 185,129.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.