Home / 340,899.99-470,445.24-187,943.77

Finding the Fourth Proportional to 340,899.99, 470,445.24 and 187,943.77

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Solution

The fourth proportional to 340,899.99, 470,445.24 and 187,943.77 is: 259,364.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,899.99 : 470,445.24 = 187,943.77 : x
  2. Step 2: Convert to fraction form
    340,899.99/470,445.24 = 187,943.77/x
  3. Step 3: Cross multiply
    340,899.99x = 470,445.24 × 187,943.77
  4. Step 4: Simplify right side
    340,899.99x = 88,417,251,984.15
  5. Step 5: Solve for x
    x = 88,417,251,984.15/340,899.99
  6. Step 6: Final answer
    x = 259,364.20

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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.