Home / 256,624.02-384,951.78-98,852.94

Finding the Fourth Proportional to 256,624.02, 384,951.78 and 98,852.94

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Solution

The fourth proportional to 256,624.02, 384,951.78 and 98,852.94 is: 148,285.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,624.02 : 384,951.78 = 98,852.94 : x
  2. Step 2: Convert to fraction form
    256,624.02/384,951.78 = 98,852.94/x
  3. Step 3: Cross multiply
    256,624.02x = 384,951.78 × 98,852.94
  4. Step 4: Simplify right side
    256,624.02x = 38,053,615,211.23
  5. Step 5: Solve for x
    x = 38,053,615,211.23/256,624.02
  6. Step 6: Final answer
    x = 148,285.48

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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.