Home / 245,516.40-368,040.24-140,132.16

Finding the Fourth Proportional to 245,516.40, 368,040.24 and 140,132.16

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Solution

The fourth proportional to 245,516.40, 368,040.24 and 140,132.16 is: 210,064.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,516.40 : 368,040.24 = 140,132.16 : x
  2. Step 2: Convert to fraction form
    245,516.40/368,040.24 = 140,132.16/x
  3. Step 3: Cross multiply
    245,516.40x = 368,040.24 × 140,132.16
  4. Step 4: Simplify right side
    245,516.40x = 51,574,273,798.12
  5. Step 5: Solve for x
    x = 51,574,273,798.12/245,516.40
  6. Step 6: Final answer
    x = 210,064.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.