Home / 319,742.37-441,247.53-176,499.33

Finding the Fourth Proportional to 319,742.37, 441,247.53 and 176,499.33

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Solution

The fourth proportional to 319,742.37, 441,247.53 and 176,499.33 is: 243,570.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,742.37 : 441,247.53 = 176,499.33 : x
  2. Step 2: Convert to fraction form
    319,742.37/441,247.53 = 176,499.33/x
  3. Step 3: Cross multiply
    319,742.37x = 441,247.53 × 176,499.33
  4. Step 4: Simplify right side
    319,742.37x = 77,879,893,409.15
  5. Step 5: Solve for x
    x = 77,879,893,409.15/319,742.37
  6. Step 6: Final answer
    x = 243,570.76

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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.