Home / 250,938.09-346,290.21-137,760.03

Finding the Fourth Proportional to 250,938.09, 346,290.21 and 137,760.03

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Solution

The fourth proportional to 250,938.09, 346,290.21 and 137,760.03 is: 190,106.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,938.09 : 346,290.21 = 137,760.03 : x
  2. Step 2: Convert to fraction form
    250,938.09/346,290.21 = 137,760.03/x
  3. Step 3: Cross multiply
    250,938.09x = 346,290.21 × 137,760.03
  4. Step 4: Simplify right side
    250,938.09x = 47,704,949,718.31
  5. Step 5: Solve for x
    x = 47,704,949,718.31/250,938.09
  6. Step 6: Final answer
    x = 190,106.45

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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.