Home / 180,816.93-249,533.28-100,251.95

Finding the Fourth Proportional to 180,816.93, 249,533.28 and 100,251.95

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Solution

The fourth proportional to 180,816.93, 249,533.28 and 100,251.95 is: 138,350.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,816.93 : 249,533.28 = 100,251.95 : x
  2. Step 2: Convert to fraction form
    180,816.93/249,533.28 = 100,251.95/x
  3. Step 3: Cross multiply
    180,816.93x = 249,533.28 × 100,251.95
  4. Step 4: Simplify right side
    180,816.93x = 25,016,197,909.90
  5. Step 5: Solve for x
    x = 25,016,197,909.90/180,816.93
  6. Step 6: Final answer
    x = 138,350.97

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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.