Home / 111,888.22-154,403.31-60,899.80

Finding the Fourth Proportional to 111,888.22, 154,403.31 and 60,899.80

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Solution

The fourth proportional to 111,888.22, 154,403.31 and 60,899.80 is: 84,040.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,888.22 : 154,403.31 = 60,899.80 : x
  2. Step 2: Convert to fraction form
    111,888.22/154,403.31 = 60,899.80/x
  3. Step 3: Cross multiply
    111,888.22x = 154,403.31 × 60,899.80
  4. Step 4: Simplify right side
    111,888.22x = 9,403,130,698.34
  5. Step 5: Solve for x
    x = 9,403,130,698.34/111,888.22
  6. Step 6: Final answer
    x = 84,040.40

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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.