Home / 343,784.99-474,414.23-190,822.77

Finding the Fourth Proportional to 343,784.99, 474,414.23 and 190,822.77

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Solution

The fourth proportional to 343,784.99, 474,414.23 and 190,822.77 is: 263,330.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,784.99 : 474,414.23 = 190,822.77 : x
  2. Step 2: Convert to fraction form
    343,784.99/474,414.23 = 190,822.77/x
  3. Step 3: Cross multiply
    343,784.99x = 474,414.23 × 190,822.77
  4. Step 4: Simplify right side
    343,784.99x = 90,529,037,973.07
  5. Step 5: Solve for x
    x = 90,529,037,973.07/343,784.99
  6. Step 6: Final answer
    x = 263,330.40

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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.