Home / 352,557.05-529,045.71-127,935.01

Finding the Fourth Proportional to 352,557.05, 529,045.71 and 127,935.01

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Solution

The fourth proportional to 352,557.05, 529,045.71 and 127,935.01 is: 191,978.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,557.05 : 529,045.71 = 127,935.01 : x
  2. Step 2: Convert to fraction form
    352,557.05/529,045.71 = 127,935.01/x
  3. Step 3: Cross multiply
    352,557.05x = 529,045.71 × 127,935.01
  4. Step 4: Simplify right side
    352,557.05x = 67,683,467,879.47
  5. Step 5: Solve for x
    x = 67,683,467,879.47/352,557.05
  6. Step 6: Final answer
    x = 191,978.77

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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.