Home / 122,582.46-169,148.32-71,583.24

Finding the Fourth Proportional to 122,582.46, 169,148.32 and 71,583.24

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Solution

The fourth proportional to 122,582.46, 169,148.32 and 71,583.24 is: 98,775.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,582.46 : 169,148.32 = 71,583.24 : x
  2. Step 2: Convert to fraction form
    122,582.46/169,148.32 = 71,583.24/x
  3. Step 3: Cross multiply
    122,582.46x = 169,148.32 × 71,583.24
  4. Step 4: Simplify right side
    122,582.46x = 12,108,184,786.16
  5. Step 5: Solve for x
    x = 12,108,184,786.16/122,582.46
  6. Step 6: Final answer
    x = 98,775.83

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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.