Home / 315,022.04-472,343.02-125,511.62

Finding the Fourth Proportional to 315,022.04, 472,343.02 and 125,511.62

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Solution

The fourth proportional to 315,022.04, 472,343.02 and 125,511.62 is: 188,191.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,022.04 : 472,343.02 = 125,511.62 : x
  2. Step 2: Convert to fraction form
    315,022.04/472,343.02 = 125,511.62/x
  3. Step 3: Cross multiply
    315,022.04x = 472,343.02 × 125,511.62
  4. Step 4: Simplify right side
    315,022.04x = 59,284,537,635.89
  5. Step 5: Solve for x
    x = 59,284,537,635.89/315,022.04
  6. Step 6: Final answer
    x = 188,191.71

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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.