Home / 180,825.30-249,488.28-105,359.22

Finding the Fourth Proportional to 180,825.30, 249,488.28 and 105,359.22

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Solution

The fourth proportional to 180,825.30, 249,488.28 and 105,359.22 is: 145,366.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,825.30 : 249,488.28 = 105,359.22 : x
  2. Step 2: Convert to fraction form
    180,825.30/249,488.28 = 105,359.22/x
  3. Step 3: Cross multiply
    180,825.30x = 249,488.28 × 105,359.22
  4. Step 4: Simplify right side
    180,825.30x = 26,285,890,579.94
  5. Step 5: Solve for x
    x = 26,285,890,579.94/180,825.30
  6. Step 6: Final answer
    x = 145,366.22

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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.