Home / 111,632.22-154,051.35-61,330.14

Finding the Fourth Proportional to 111,632.22, 154,051.35 and 61,330.14

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Solution

The fourth proportional to 111,632.22, 154,051.35 and 61,330.14 is: 84,634.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,632.22 : 154,051.35 = 61,330.14 : x
  2. Step 2: Convert to fraction form
    111,632.22/154,051.35 = 61,330.14/x
  3. Step 3: Cross multiply
    111,632.22x = 154,051.35 × 61,330.14
  4. Step 4: Simplify right side
    111,632.22x = 9,447,990,862.69
  5. Step 5: Solve for x
    x = 9,447,990,862.69/111,632.22
  6. Step 6: Final answer
    x = 84,634.98

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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.