Home / 180,156.45-248,605.10-99,579.17

Finding the Fourth Proportional to 180,156.45, 248,605.10 and 99,579.17

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Solution

The fourth proportional to 180,156.45, 248,605.10 and 99,579.17 is: 137,413.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,156.45 : 248,605.10 = 99,579.17 : x
  2. Step 2: Convert to fraction form
    180,156.45/248,605.10 = 99,579.17/x
  3. Step 3: Cross multiply
    180,156.45x = 248,605.10 × 99,579.17
  4. Step 4: Simplify right side
    180,156.45x = 24,755,890,012.81
  5. Step 5: Solve for x
    x = 24,755,890,012.81/180,156.45
  6. Step 6: Final answer
    x = 137,413.28

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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.