Home / 287,160.56-396,266.04-158,073.88

Finding the Fourth Proportional to 287,160.56, 396,266.04 and 158,073.88

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Solution

The fourth proportional to 287,160.56, 396,266.04 and 158,073.88 is: 218,133.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    287,160.56 : 396,266.04 = 158,073.88 : x
  2. Step 2: Convert to fraction form
    287,160.56/396,266.04 = 158,073.88/x
  3. Step 3: Cross multiply
    287,160.56x = 396,266.04 × 158,073.88
  4. Step 4: Simplify right side
    287,160.56x = 62,639,310,455.04
  5. Step 5: Solve for x
    x = 62,639,310,455.04/287,160.56
  6. Step 6: Final answer
    x = 218,133.40

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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.