Home / 287,533.28-396,798.60-158,476.36

Finding the Fourth Proportional to 287,533.28, 396,798.60 and 158,476.36

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Solution

The fourth proportional to 287,533.28, 396,798.60 and 158,476.36 is: 218,698.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    287,533.28 : 396,798.60 = 158,476.36 : x
  2. Step 2: Convert to fraction form
    287,533.28/396,798.60 = 158,476.36/x
  3. Step 3: Cross multiply
    287,533.28x = 396,798.60 × 158,476.36
  4. Step 4: Simplify right side
    287,533.28x = 62,883,197,781.10
  5. Step 5: Solve for x
    x = 62,883,197,781.10/287,533.28
  6. Step 6: Final answer
    x = 218,698.85

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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.