Home / 161,726.10-242,675.55-72,993.30

Finding the Fourth Proportional to 161,726.10, 242,675.55 and 72,993.30

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Solution

The fourth proportional to 161,726.10, 242,675.55 and 72,993.30 is: 109,528.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,726.10 : 242,675.55 = 72,993.30 : x
  2. Step 2: Convert to fraction form
    161,726.10/242,675.55 = 72,993.30/x
  3. Step 3: Cross multiply
    161,726.10x = 242,675.55 × 72,993.30
  4. Step 4: Simplify right side
    161,726.10x = 17,713,689,223.82
  5. Step 5: Solve for x
    x = 17,713,689,223.82/161,726.10
  6. Step 6: Final answer
    x = 109,528.95

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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.