Home / 219,054.08-302,155.44-143,607.44

Finding the Fourth Proportional to 219,054.08, 302,155.44 and 143,607.44

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Solution

The fourth proportional to 219,054.08, 302,155.44 and 143,607.44 is: 198,087.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,054.08 : 302,155.44 = 143,607.44 : x
  2. Step 2: Convert to fraction form
    219,054.08/302,155.44 = 143,607.44/x
  3. Step 3: Cross multiply
    219,054.08x = 302,155.44 × 143,607.44
  4. Step 4: Simplify right side
    219,054.08x = 43,391,769,220.47
  5. Step 5: Solve for x
    x = 43,391,769,220.47/219,054.08
  6. Step 6: Final answer
    x = 198,087.02

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1.5x scale

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.