Home / 256,725.02-384,766.76-123,569.94

Finding the Fourth Proportional to 256,725.02, 384,766.76 and 123,569.94

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Solution

The fourth proportional to 256,725.02, 384,766.76 and 123,569.94 is: 185,200.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,725.02 : 384,766.76 = 123,569.94 : x
  2. Step 2: Convert to fraction form
    256,725.02/384,766.76 = 123,569.94/x
  3. Step 3: Cross multiply
    256,725.02x = 384,766.76 × 123,569.94
  4. Step 4: Simplify right side
    256,725.02x = 47,545,605,447.19
  5. Step 5: Solve for x
    x = 47,545,605,447.19/256,725.02
  6. Step 6: Final answer
    x = 185,200.51

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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.