Home / 133,033.48-183,585.45-72,603.93

Finding the Fourth Proportional to 133,033.48, 183,585.45 and 72,603.93

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Solution

The fourth proportional to 133,033.48, 183,585.45 and 72,603.93 is: 100,193.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,033.48 : 183,585.45 = 72,603.93 : x
  2. Step 2: Convert to fraction form
    133,033.48/183,585.45 = 72,603.93/x
  3. Step 3: Cross multiply
    133,033.48x = 183,585.45 × 72,603.93
  4. Step 4: Simplify right side
    133,033.48x = 13,329,025,160.82
  5. Step 5: Solve for x
    x = 13,329,025,160.82/133,033.48
  6. Step 6: Final answer
    x = 100,193.01

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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.