Home / 148,533.84-204,991.56-84,881.16

Finding the Fourth Proportional to 148,533.84, 204,991.56 and 84,881.16

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Solution

The fourth proportional to 148,533.84, 204,991.56 and 84,881.16 is: 117,144.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,533.84 : 204,991.56 = 84,881.16 : x
  2. Step 2: Convert to fraction form
    148,533.84/204,991.56 = 84,881.16/x
  3. Step 3: Cross multiply
    148,533.84x = 204,991.56 × 84,881.16
  4. Step 4: Simplify right side
    148,533.84x = 17,399,921,403.01
  5. Step 5: Solve for x
    x = 17,399,921,403.01/148,533.84
  6. Step 6: Final answer
    x = 117,144.49

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1.5x scale

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.