Home / 237,574.23-327,701.40-155,907.78

Finding the Fourth Proportional to 237,574.23, 327,701.40 and 155,907.78

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Solution

The fourth proportional to 237,574.23, 327,701.40 and 155,907.78 is: 215,053.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,574.23 : 327,701.40 = 155,907.78 : x
  2. Step 2: Convert to fraction form
    237,574.23/327,701.40 = 155,907.78/x
  3. Step 3: Cross multiply
    237,574.23x = 327,701.40 × 155,907.78
  4. Step 4: Simplify right side
    237,574.23x = 51,091,197,776.89
  5. Step 5: Solve for x
    x = 51,091,197,776.89/237,574.23
  6. Step 6: Final answer
    x = 215,053.62

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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.