Home / 222,779.37-307,451.80-127,284.02

Finding the Fourth Proportional to 222,779.37, 307,451.80 and 127,284.02

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Solution

The fourth proportional to 222,779.37, 307,451.80 and 127,284.02 is: 175,661.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,779.37 : 307,451.80 = 127,284.02 : x
  2. Step 2: Convert to fraction form
    222,779.37/307,451.80 = 127,284.02/x
  3. Step 3: Cross multiply
    222,779.37x = 307,451.80 × 127,284.02
  4. Step 4: Simplify right side
    222,779.37x = 39,133,701,060.24
  5. Step 5: Solve for x
    x = 39,133,701,060.24/222,779.37
  6. Step 6: Final answer
    x = 175,661.24

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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.