Home / 202,975.58-280,038.02-118,022.78

Finding the Fourth Proportional to 202,975.58, 280,038.02 and 118,022.78

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Solution

The fourth proportional to 202,975.58, 280,038.02 and 118,022.78 is: 162,831.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,975.58 : 280,038.02 = 118,022.78 : x
  2. Step 2: Convert to fraction form
    202,975.58/280,038.02 = 118,022.78/x
  3. Step 3: Cross multiply
    202,975.58x = 280,038.02 × 118,022.78
  4. Step 4: Simplify right side
    202,975.58x = 33,050,865,626.10
  5. Step 5: Solve for x
    x = 33,050,865,626.10/202,975.58
  6. Step 6: Final answer
    x = 162,831.73

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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.