Home / 537,985.40-806,891.70-163,921.40

Finding the Fourth Proportional to 537,985.40, 806,891.70 and 163,921.40

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Solution

The fourth proportional to 537,985.40, 806,891.70 and 163,921.40 is: 245,855.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    537,985.40 : 806,891.70 = 163,921.40 : x
  2. Step 2: Convert to fraction form
    537,985.40/806,891.70 = 163,921.40/x
  3. Step 3: Cross multiply
    537,985.40x = 806,891.70 × 163,921.40
  4. Step 4: Simplify right side
    537,985.40x = 132,266,817,112.38
  5. Step 5: Solve for x
    x = 132,266,817,112.38/537,985.40
  6. Step 6: Final answer
    x = 245,855.77

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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.