Home / 158,838.20-238,319.24-70,029.26

Finding the Fourth Proportional to 158,838.20, 238,319.24 and 70,029.26

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Solution

The fourth proportional to 158,838.20, 238,319.24 and 70,029.26 is: 105,071.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,838.20 : 238,319.24 = 70,029.26 : x
  2. Step 2: Convert to fraction form
    158,838.20/238,319.24 = 70,029.26/x
  3. Step 3: Cross multiply
    158,838.20x = 238,319.24 × 70,029.26
  4. Step 4: Simplify right side
    158,838.20x = 16,689,318,479.22
  5. Step 5: Solve for x
    x = 16,689,318,479.22/158,838.20
  6. Step 6: Final answer
    x = 105,071.19

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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.