Home / 133,107.04-183,695.16-72,683.30

Finding the Fourth Proportional to 133,107.04, 183,695.16 and 72,683.30

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Solution

The fourth proportional to 133,107.04, 183,695.16 and 72,683.30 is: 100,307.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,107.04 : 183,695.16 = 72,683.30 : x
  2. Step 2: Convert to fraction form
    133,107.04/183,695.16 = 72,683.30/x
  3. Step 3: Cross multiply
    133,107.04x = 183,695.16 × 72,683.30
  4. Step 4: Simplify right side
    133,107.04x = 13,351,570,422.83
  5. Step 5: Solve for x
    x = 13,351,570,422.83/133,107.04
  6. Step 6: Final answer
    x = 100,307.02

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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.