Home / 133,110.95-183,693.56-85,364.48

Finding the Fourth Proportional to 133,110.95, 183,693.56 and 85,364.48

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Solution

The fourth proportional to 133,110.95, 183,693.56 and 85,364.48 is: 117,803.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,110.95 : 183,693.56 = 85,364.48 : x
  2. Step 2: Convert to fraction form
    133,110.95/183,693.56 = 85,364.48/x
  3. Step 3: Cross multiply
    133,110.95x = 183,693.56 × 85,364.48
  4. Step 4: Simplify right side
    133,110.95x = 15,680,905,261.16
  5. Step 5: Solve for x
    x = 15,680,905,261.16/133,110.95
  6. Step 6: Final answer
    x = 117,803.28

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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.