Home / 249,399.63-344,171.53-136,222.38

Finding the Fourth Proportional to 249,399.63, 344,171.53 and 136,222.38

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Solution

The fourth proportional to 249,399.63, 344,171.53 and 136,222.38 is: 187,986.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,399.63 : 344,171.53 = 136,222.38 : x
  2. Step 2: Convert to fraction form
    249,399.63/344,171.53 = 136,222.38/x
  3. Step 3: Cross multiply
    249,399.63x = 344,171.53 × 136,222.38
  4. Step 4: Simplify right side
    249,399.63x = 46,883,866,083.10
  5. Step 5: Solve for x
    x = 46,883,866,083.10/249,399.63
  6. Step 6: Final answer
    x = 187,986.91

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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.