Home / 319,095.38-440,345.72-173,902.32

Finding the Fourth Proportional to 319,095.38, 440,345.72 and 173,902.32

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Solution

The fourth proportional to 319,095.38, 440,345.72 and 173,902.32 is: 239,981.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,095.38 : 440,345.72 = 173,902.32 : x
  2. Step 2: Convert to fraction form
    319,095.38/440,345.72 = 173,902.32/x
  3. Step 3: Cross multiply
    319,095.38x = 440,345.72 × 173,902.32
  4. Step 4: Simplify right side
    319,095.38x = 76,577,141,440.56
  5. Step 5: Solve for x
    x = 76,577,141,440.56/319,095.38
  6. Step 6: Final answer
    x = 239,981.98

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1.5x scale

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.