Home / 134,822.79-186,052.28-74,393.45

Finding the Fourth Proportional to 134,822.79, 186,052.28 and 74,393.45

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Solution

The fourth proportional to 134,822.79, 186,052.28 and 74,393.45 is: 102,661.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,822.79 : 186,052.28 = 74,393.45 : x
  2. Step 2: Convert to fraction form
    134,822.79/186,052.28 = 74,393.45/x
  3. Step 3: Cross multiply
    134,822.79x = 186,052.28 × 74,393.45
  4. Step 4: Simplify right side
    134,822.79x = 13,841,069,687.34
  5. Step 5: Solve for x
    x = 13,841,069,687.34/134,822.79
  6. Step 6: Final answer
    x = 102,661.20

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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.