Home / 207,296.48-309,430.72-177,903.20

Finding the Fourth Proportional to 207,296.48, 309,430.72 and 177,903.20

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Solution

The fourth proportional to 207,296.48, 309,430.72 and 177,903.20 is: 265,555.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,296.48 : 309,430.72 = 177,903.20 : x
  2. Step 2: Convert to fraction form
    207,296.48/309,430.72 = 177,903.20/x
  3. Step 3: Cross multiply
    207,296.48x = 309,430.72 × 177,903.20
  4. Step 4: Simplify right side
    207,296.48x = 55,048,715,266.30
  5. Step 5: Solve for x
    x = 55,048,715,266.30/207,296.48
  6. Step 6: Final answer
    x = 265,555.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.