Home / 133,313.54-183,984.08-75,970.40

Finding the Fourth Proportional to 133,313.54, 183,984.08 and 75,970.40

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Solution

The fourth proportional to 133,313.54, 183,984.08 and 75,970.40 is: 104,845.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,313.54 : 183,984.08 = 75,970.40 : x
  2. Step 2: Convert to fraction form
    133,313.54/183,984.08 = 75,970.40/x
  3. Step 3: Cross multiply
    133,313.54x = 183,984.08 × 75,970.40
  4. Step 4: Simplify right side
    133,313.54x = 13,977,342,851.46
  5. Step 5: Solve for x
    x = 13,977,342,851.46/133,313.54
  6. Step 6: Final answer
    x = 104,845.64

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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.