Home / 287,038.23-396,161.33-166,253.06

Finding the Fourth Proportional to 287,038.23, 396,161.33 and 166,253.06

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Solution

The fourth proportional to 287,038.23, 396,161.33 and 166,253.06 is: 229,457.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    287,038.23 : 396,161.33 = 166,253.06 : x
  2. Step 2: Convert to fraction form
    287,038.23/396,161.33 = 166,253.06/x
  3. Step 3: Cross multiply
    287,038.23x = 396,161.33 × 166,253.06
  4. Step 4: Simplify right side
    287,038.23x = 65,863,033,366.17
  5. Step 5: Solve for x
    x = 65,863,033,366.17/287,038.23
  6. Step 6: Final answer
    x = 229,457.36

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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.