Home / 265,317.14-398,325.63-123,315.23

Finding the Fourth Proportional to 265,317.14, 398,325.63 and 123,315.23

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Solution

The fourth proportional to 265,317.14, 398,325.63 and 123,315.23 is: 185,135.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,317.14 : 398,325.63 = 123,315.23 : x
  2. Step 2: Convert to fraction form
    265,317.14/398,325.63 = 123,315.23/x
  3. Step 3: Cross multiply
    265,317.14x = 398,325.63 × 123,315.23
  4. Step 4: Simplify right side
    265,317.14x = 49,119,616,678.34
  5. Step 5: Solve for x
    x = 49,119,616,678.34/265,317.14
  6. Step 6: Final answer
    x = 185,135.48

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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.