Home / 423,192.06-635,036.37-157,137.30

Finding the Fourth Proportional to 423,192.06, 635,036.37 and 157,137.30

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Solution

The fourth proportional to 423,192.06, 635,036.37 and 157,137.30 is: 235,798.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    423,192.06 : 635,036.37 = 157,137.30 : x
  2. Step 2: Convert to fraction form
    423,192.06/635,036.37 = 157,137.30/x
  3. Step 3: Cross multiply
    423,192.06x = 635,036.37 × 157,137.30
  4. Step 4: Simplify right side
    423,192.06x = 99,787,900,583.60
  5. Step 5: Solve for x
    x = 99,787,900,583.60/423,192.06
  6. Step 6: Final answer
    x = 235,798.14

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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.