Home / 112,132.22-154,740.17-61,831.22

Finding the Fourth Proportional to 112,132.22, 154,740.17 and 61,831.22

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Solution

The fourth proportional to 112,132.22, 154,740.17 and 61,831.22 is: 85,325.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,132.22 : 154,740.17 = 61,831.22 : x
  2. Step 2: Convert to fraction form
    112,132.22/154,740.17 = 61,831.22/x
  3. Step 3: Cross multiply
    112,132.22x = 154,740.17 × 61,831.22
  4. Step 4: Simplify right side
    112,132.22x = 9,567,772,874.98
  5. Step 5: Solve for x
    x = 9,567,772,874.98/112,132.22
  6. Step 6: Final answer
    x = 85,325.82

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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.