Home / 159,085.28-238,590.96-70,290.32

Finding the Fourth Proportional to 159,085.28, 238,590.96 and 70,290.32

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Solution

The fourth proportional to 159,085.28, 238,590.96 and 70,290.32 is: 105,419.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,085.28 : 238,590.96 = 70,290.32 : x
  2. Step 2: Convert to fraction form
    159,085.28/238,590.96 = 70,290.32/x
  3. Step 3: Cross multiply
    159,085.28x = 238,590.96 × 70,290.32
  4. Step 4: Simplify right side
    159,085.28x = 16,770,634,927.51
  5. Step 5: Solve for x
    x = 16,770,634,927.51/159,085.28
  6. Step 6: Final answer
    x = 105,419.15

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.