Home / 353,109.20-529,663.80-195,256.40

Finding the Fourth Proportional to 353,109.20, 529,663.80 and 195,256.40

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Solution

The fourth proportional to 353,109.20, 529,663.80 and 195,256.40 is: 292,884.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,109.20 : 529,663.80 = 195,256.40 : x
  2. Step 2: Convert to fraction form
    353,109.20/529,663.80 = 195,256.40/x
  3. Step 3: Cross multiply
    353,109.20x = 529,663.80 × 195,256.40
  4. Step 4: Simplify right side
    353,109.20x = 103,420,246,798.32
  5. Step 5: Solve for x
    x = 103,420,246,798.32/353,109.20
  6. Step 6: Final answer
    x = 292,884.60

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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.