Home / 180,544.07-249,147.77-99,969.86

Finding the Fourth Proportional to 180,544.07, 249,147.77 and 99,969.86

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Solution

The fourth proportional to 180,544.07, 249,147.77 and 99,969.86 is: 137,956.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,544.07 : 249,147.77 = 99,969.86 : x
  2. Step 2: Convert to fraction form
    180,544.07/249,147.77 = 99,969.86/x
  3. Step 3: Cross multiply
    180,544.07x = 249,147.77 × 99,969.86
  4. Step 4: Simplify right side
    180,544.07x = 24,907,268,559.01
  5. Step 5: Solve for x
    x = 24,907,268,559.01/180,544.07
  6. Step 6: Final answer
    x = 137,956.72

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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.