Home / 180,870.52-249,616.28-100,324.07

Finding the Fourth Proportional to 180,870.52, 249,616.28 and 100,324.07

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Solution

The fourth proportional to 180,870.52, 249,616.28 and 100,324.07 is: 138,455.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,870.52 : 249,616.28 = 100,324.07 : x
  2. Step 2: Convert to fraction form
    180,870.52/249,616.28 = 100,324.07/x
  3. Step 3: Cross multiply
    180,870.52x = 249,616.28 × 100,324.07
  4. Step 4: Simplify right side
    180,870.52x = 25,042,521,086.65
  5. Step 5: Solve for x
    x = 25,042,521,086.65/180,870.52
  6. Step 6: Final answer
    x = 138,455.52

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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.