Home / 256,263.24-353,622.90-148,815.60

Finding the Fourth Proportional to 256,263.24, 353,622.90 and 148,815.60

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Solution

The fourth proportional to 256,263.24, 353,622.90 and 148,815.60 is: 205,353.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,263.24 : 353,622.90 = 148,815.60 : x
  2. Step 2: Convert to fraction form
    256,263.24/353,622.90 = 148,815.60/x
  3. Step 3: Cross multiply
    256,263.24x = 353,622.90 × 148,815.60
  4. Step 4: Simplify right side
    256,263.24x = 52,624,604,037.24
  5. Step 5: Solve for x
    x = 52,624,604,037.24/256,263.24
  6. Step 6: Final answer
    x = 205,353.70

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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.