Home / 180,550.03-249,158.88-99,977.55

Finding the Fourth Proportional to 180,550.03, 249,158.88 and 99,977.55

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Solution

The fourth proportional to 180,550.03, 249,158.88 and 99,977.55 is: 137,968.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,550.03 : 249,158.88 = 99,977.55 : x
  2. Step 2: Convert to fraction form
    180,550.03/249,158.88 = 99,977.55/x
  3. Step 3: Cross multiply
    180,550.03x = 249,158.88 × 99,977.55
  4. Step 4: Simplify right side
    180,550.03x = 24,910,293,137.35
  5. Step 5: Solve for x
    x = 24,910,293,137.35/180,550.03
  6. Step 6: Final answer
    x = 137,968.93

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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.