Home / 180,551.15-249,157.53-99,976.95

Finding the Fourth Proportional to 180,551.15, 249,157.53 and 99,976.95

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Solution

The fourth proportional to 180,551.15, 249,157.53 and 99,976.95 is: 137,966.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,551.15 : 249,157.53 = 99,976.95 : x
  2. Step 2: Convert to fraction form
    180,551.15/249,157.53 = 99,976.95/x
  3. Step 3: Cross multiply
    180,551.15x = 249,157.53 × 99,976.95
  4. Step 4: Simplify right side
    180,551.15x = 24,910,009,046.10
  5. Step 5: Solve for x
    x = 24,910,009,046.10/180,551.15
  6. Step 6: Final answer
    x = 137,966.49

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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.