Home / 256,966.16-354,611.15-142,245.02

Finding the Fourth Proportional to 256,966.16, 354,611.15 and 142,245.02

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Solution

The fourth proportional to 256,966.16, 354,611.15 and 142,245.02 is: 196,296.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,966.16 : 354,611.15 = 142,245.02 : x
  2. Step 2: Convert to fraction form
    256,966.16/354,611.15 = 142,245.02/x
  3. Step 3: Cross multiply
    256,966.16x = 354,611.15 × 142,245.02
  4. Step 4: Simplify right side
    256,966.16x = 50,441,671,931.46
  5. Step 5: Solve for x
    x = 50,441,671,931.46/256,966.16
  6. Step 6: Final answer
    x = 196,296.94

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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.