Home / 145,845.47-201,359.63-119,051.68

Finding the Fourth Proportional to 145,845.47, 201,359.63 and 119,051.68

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Solution

The fourth proportional to 145,845.47, 201,359.63 and 119,051.68 is: 164,367.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,845.47 : 201,359.63 = 119,051.68 : x
  2. Step 2: Convert to fraction form
    145,845.47/201,359.63 = 119,051.68/x
  3. Step 3: Cross multiply
    145,845.47x = 201,359.63 × 119,051.68
  4. Step 4: Simplify right side
    145,845.47x = 23,972,202,235.68
  5. Step 5: Solve for x
    x = 23,972,202,235.68/145,845.47
  6. Step 6: Final answer
    x = 164,367.14

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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.