Home / 298,023.03-411,271.76-163,887.03

Finding the Fourth Proportional to 298,023.03, 411,271.76 and 163,887.03

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Solution

The fourth proportional to 298,023.03, 411,271.76 and 163,887.03 is: 226,164.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,023.03 : 411,271.76 = 163,887.03 : x
  2. Step 2: Convert to fraction form
    298,023.03/411,271.76 = 163,887.03/x
  3. Step 3: Cross multiply
    298,023.03x = 411,271.76 × 163,887.03
  4. Step 4: Simplify right side
    298,023.03x = 67,402,106,449.84
  5. Step 5: Solve for x
    x = 67,402,106,449.84/298,023.03
  6. Step 6: Final answer
    x = 226,164.09

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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.