Home / 314,865.80-434,501.91-171,622.70

Finding the Fourth Proportional to 314,865.80, 434,501.91 and 171,622.70

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Solution

The fourth proportional to 314,865.80, 434,501.91 and 171,622.70 is: 236,832.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,865.80 : 434,501.91 = 171,622.70 : x
  2. Step 2: Convert to fraction form
    314,865.80/434,501.91 = 171,622.70/x
  3. Step 3: Cross multiply
    314,865.80x = 434,501.91 × 171,622.70
  4. Step 4: Simplify right side
    314,865.80x = 74,570,388,776.85
  5. Step 5: Solve for x
    x = 74,570,388,776.85/314,865.80
  6. Step 6: Final answer
    x = 236,832.29

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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.