Home / 256,402.02-353,827.34-141,678.84

Finding the Fourth Proportional to 256,402.02, 353,827.34 and 141,678.84

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Solution

The fourth proportional to 256,402.02, 353,827.34 and 141,678.84 is: 195,512.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,402.02 : 353,827.34 = 141,678.84 : x
  2. Step 2: Convert to fraction form
    256,402.02/353,827.34 = 141,678.84/x
  3. Step 3: Cross multiply
    256,402.02x = 353,827.34 × 141,678.84
  4. Step 4: Simplify right side
    256,402.02x = 50,129,847,091.49
  5. Step 5: Solve for x
    x = 50,129,847,091.49/256,402.02
  6. Step 6: Final answer
    x = 195,512.68

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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.