Home / 180,550.89-249,157.14-99,976.68

Finding the Fourth Proportional to 180,550.89, 249,157.14 and 99,976.68

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Solution

The fourth proportional to 180,550.89, 249,157.14 and 99,976.68 is: 137,966.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,550.89 : 249,157.14 = 99,976.68 : x
  2. Step 2: Convert to fraction form
    180,550.89/249,157.14 = 99,976.68/x
  3. Step 3: Cross multiply
    180,550.89x = 249,157.14 × 99,976.68
  4. Step 4: Simplify right side
    180,550.89x = 24,909,903,655.50
  5. Step 5: Solve for x
    x = 24,909,903,655.50/180,550.89
  6. Step 6: Final answer
    x = 137,966.11

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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.