Home / 156,210.80-215,571.11-84,590.93

Finding the Fourth Proportional to 156,210.80, 215,571.11 and 84,590.93

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Solution

The fourth proportional to 156,210.80, 215,571.11 and 84,590.93 is: 116,735.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,210.80 : 215,571.11 = 84,590.93 : x
  2. Step 2: Convert to fraction form
    156,210.80/215,571.11 = 84,590.93/x
  3. Step 3: Cross multiply
    156,210.80x = 215,571.11 × 84,590.93
  4. Step 4: Simplify right side
    156,210.80x = 18,235,360,792.01
  5. Step 5: Solve for x
    x = 18,235,360,792.01/156,210.80
  6. Step 6: Final answer
    x = 116,735.60

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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.