Home / 193,448.16-290,237.04-75,123.36

Finding the Fourth Proportional to 193,448.16, 290,237.04 and 75,123.36

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Solution

The fourth proportional to 193,448.16, 290,237.04 and 75,123.36 is: 112,710.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,448.16 : 290,237.04 = 75,123.36 : x
  2. Step 2: Convert to fraction form
    193,448.16/290,237.04 = 75,123.36/x
  3. Step 3: Cross multiply
    193,448.16x = 290,237.04 × 75,123.36
  4. Step 4: Simplify right side
    193,448.16x = 21,803,581,641.25
  5. Step 5: Solve for x
    x = 21,803,581,641.25/193,448.16
  6. Step 6: Final answer
    x = 112,710.20

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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.