Home / 256,298.98-353,688.90-140,011.04

Finding the Fourth Proportional to 256,298.98, 353,688.90 and 140,011.04

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Solution

The fourth proportional to 256,298.98, 353,688.90 and 140,011.04 is: 193,213.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,298.98 : 353,688.90 = 140,011.04 : x
  2. Step 2: Convert to fraction form
    256,298.98/353,688.90 = 140,011.04/x
  3. Step 3: Cross multiply
    256,298.98x = 353,688.90 × 140,011.04
  4. Step 4: Simplify right side
    256,298.98x = 49,520,350,725.46
  5. Step 5: Solve for x
    x = 49,520,350,725.46/256,298.98
  6. Step 6: Final answer
    x = 193,213.22

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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.