Home / 180,860.07-271,014.71-91,980.39

Finding the Fourth Proportional to 180,860.07, 271,014.71 and 91,980.39

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Solution

The fourth proportional to 180,860.07, 271,014.71 and 91,980.39 is: 137,830.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,860.07 : 271,014.71 = 91,980.39 : x
  2. Step 2: Convert to fraction form
    180,860.07/271,014.71 = 91,980.39/x
  3. Step 3: Cross multiply
    180,860.07x = 271,014.71 × 91,980.39
  4. Step 4: Simplify right side
    180,860.07x = 24,928,038,261.64
  5. Step 5: Solve for x
    x = 24,928,038,261.64/180,860.07
  6. Step 6: Final answer
    x = 137,830.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.