Home / 118,482.14-163,456.40-82,693.10

Finding the Fourth Proportional to 118,482.14, 163,456.40 and 82,693.10

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Solution

The fourth proportional to 118,482.14, 163,456.40 and 82,693.10 is: 114,082.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,482.14 : 163,456.40 = 82,693.10 : x
  2. Step 2: Convert to fraction form
    118,482.14/163,456.40 = 82,693.10/x
  3. Step 3: Cross multiply
    118,482.14x = 163,456.40 × 82,693.10
  4. Step 4: Simplify right side
    118,482.14x = 13,516,716,839.48
  5. Step 5: Solve for x
    x = 13,516,716,839.48/118,482.14
  6. Step 6: Final answer
    x = 114,082.31

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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.