Home / 156,083.16-215,395.33-84,463.18

Finding the Fourth Proportional to 156,083.16, 215,395.33 and 84,463.18

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Solution

The fourth proportional to 156,083.16, 215,395.33 and 84,463.18 is: 116,559.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,083.16 : 215,395.33 = 84,463.18 : x
  2. Step 2: Convert to fraction form
    156,083.16/215,395.33 = 84,463.18/x
  3. Step 3: Cross multiply
    156,083.16x = 215,395.33 × 84,463.18
  4. Step 4: Simplify right side
    156,083.16x = 18,192,974,528.95
  5. Step 5: Solve for x
    x = 18,192,974,528.95/156,083.16
  6. Step 6: Final answer
    x = 116,559.50

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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.