Home / 256,608.04-384,927.78-98,836.96

Finding the Fourth Proportional to 256,608.04, 384,927.78 and 98,836.96

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Solution

The fourth proportional to 256,608.04, 384,927.78 and 98,836.96 is: 148,261.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,608.04 : 384,927.78 = 98,836.96 : x
  2. Step 2: Convert to fraction form
    256,608.04/384,927.78 = 98,836.96/x
  3. Step 3: Cross multiply
    256,608.04x = 384,927.78 × 98,836.96
  4. Step 4: Simplify right side
    256,608.04x = 38,045,091,594.75
  5. Step 5: Solve for x
    x = 38,045,091,594.75/256,608.04
  6. Step 6: Final answer
    x = 148,261.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.