Home / 114,622.56-157,982.40-98,642.88

Finding the Fourth Proportional to 114,622.56, 157,982.40 and 98,642.88

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Solution

The fourth proportional to 114,622.56, 157,982.40 and 98,642.88 is: 135,957.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,622.56 : 157,982.40 = 98,642.88 : x
  2. Step 2: Convert to fraction form
    114,622.56/157,982.40 = 98,642.88/x
  3. Step 3: Cross multiply
    114,622.56x = 157,982.40 × 98,642.88
  4. Step 4: Simplify right side
    114,622.56x = 15,583,838,925.31
  5. Step 5: Solve for x
    x = 15,583,838,925.31/114,622.56
  6. Step 6: Final answer
    x = 135,957.87

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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.