Home / 98,329.90-147,495.66-28,211.44

Finding the Fourth Proportional to 98,329.90, 147,495.66 and 28,211.44

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Solution

The fourth proportional to 98,329.90, 147,495.66 and 28,211.44 is: 42,317.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,329.90 : 147,495.66 = 28,211.44 : x
  2. Step 2: Convert to fraction form
    98,329.90/147,495.66 = 28,211.44/x
  3. Step 3: Cross multiply
    98,329.90x = 147,495.66 × 28,211.44
  4. Step 4: Simplify right side
    98,329.90x = 4,161,064,962.35
  5. Step 5: Solve for x
    x = 4,161,064,962.35/98,329.90
  6. Step 6: Final answer
    x = 42,317.39

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1.5x scale

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.