Home / 180,795.33-249,497.55-100,222.65

Finding the Fourth Proportional to 180,795.33, 249,497.55 and 100,222.65

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Solution

The fourth proportional to 180,795.33, 249,497.55 and 100,222.65 is: 138,307.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,795.33 : 249,497.55 = 100,222.65 : x
  2. Step 2: Convert to fraction form
    180,795.33/249,497.55 = 100,222.65/x
  3. Step 3: Cross multiply
    180,795.33x = 249,497.55 × 100,222.65
  4. Step 4: Simplify right side
    180,795.33x = 25,005,305,629.51
  5. Step 5: Solve for x
    x = 25,005,305,629.51/180,795.33
  6. Step 6: Final answer
    x = 138,307.25

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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.