Home / 178,031.40-245,797.94-158,878.29

Finding the Fourth Proportional to 178,031.40, 245,797.94 and 158,878.29

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Solution

The fourth proportional to 178,031.40, 245,797.94 and 158,878.29 is: 219,354.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,031.40 : 245,797.94 = 158,878.29 : x
  2. Step 2: Convert to fraction form
    178,031.40/245,797.94 = 158,878.29/x
  3. Step 3: Cross multiply
    178,031.40x = 245,797.94 × 158,878.29
  4. Step 4: Simplify right side
    178,031.40x = 39,051,955,598.33
  5. Step 5: Solve for x
    x = 39,051,955,598.33/178,031.40
  6. Step 6: Final answer
    x = 219,354.31

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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.