Home / 315,332.07-435,152.18-172,093.14

Finding the Fourth Proportional to 315,332.07, 435,152.18 and 172,093.14

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Solution

The fourth proportional to 315,332.07, 435,152.18 and 172,093.14 is: 237,485.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,332.07 : 435,152.18 = 172,093.14 : x
  2. Step 2: Convert to fraction form
    315,332.07/435,152.18 = 172,093.14/x
  3. Step 3: Cross multiply
    315,332.07x = 435,152.18 × 172,093.14
  4. Step 4: Simplify right side
    315,332.07x = 74,886,705,464.28
  5. Step 5: Solve for x
    x = 74,886,705,464.28/315,332.07
  6. Step 6: Final answer
    x = 237,485.22

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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.