Home / 256,410.18-353,848.95-141,688.35

Finding the Fourth Proportional to 256,410.18, 353,848.95 and 141,688.35

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Solution

The fourth proportional to 256,410.18, 353,848.95 and 141,688.35 is: 195,531.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,410.18 : 353,848.95 = 141,688.35 : x
  2. Step 2: Convert to fraction form
    256,410.18/353,848.95 = 141,688.35/x
  3. Step 3: Cross multiply
    256,410.18x = 353,848.95 × 141,688.35
  4. Step 4: Simplify right side
    256,410.18x = 50,136,273,874.73
  5. Step 5: Solve for x
    x = 50,136,273,874.73/256,410.18
  6. Step 6: Final answer
    x = 195,531.53

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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.