Home / 154,603.04-231,488.86-98,137.48

Finding the Fourth Proportional to 154,603.04, 231,488.86 and 98,137.48

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Solution

The fourth proportional to 154,603.04, 231,488.86 and 98,137.48 is: 146,942.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,603.04 : 231,488.86 = 98,137.48 : x
  2. Step 2: Convert to fraction form
    154,603.04/231,488.86 = 98,137.48/x
  3. Step 3: Cross multiply
    154,603.04x = 231,488.86 × 98,137.48
  4. Step 4: Simplify right side
    154,603.04x = 22,717,733,368.47
  5. Step 5: Solve for x
    x = 22,717,733,368.47/154,603.04
  6. Step 6: Final answer
    x = 146,942.35

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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.