Home / 278,858.04-384,823.35-151,533.66

Finding the Fourth Proportional to 278,858.04, 384,823.35 and 151,533.66

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Solution

The fourth proportional to 278,858.04, 384,823.35 and 151,533.66 is: 209,116.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,858.04 : 384,823.35 = 151,533.66 : x
  2. Step 2: Convert to fraction form
    278,858.04/384,823.35 = 151,533.66/x
  3. Step 3: Cross multiply
    278,858.04x = 384,823.35 × 151,533.66
  4. Step 4: Simplify right side
    278,858.04x = 58,313,690,678.96
  5. Step 5: Solve for x
    x = 58,313,690,678.96/278,858.04
  6. Step 6: Final answer
    x = 209,116.05

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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.