Home / 213,806.72-295,048.86-118,313.36

Finding the Fourth Proportional to 213,806.72, 295,048.86 and 118,313.36

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Solution

The fourth proportional to 213,806.72, 295,048.86 and 118,313.36 is: 163,269.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,806.72 : 295,048.86 = 118,313.36 : x
  2. Step 2: Convert to fraction form
    213,806.72/295,048.86 = 118,313.36/x
  3. Step 3: Cross multiply
    213,806.72x = 295,048.86 × 118,313.36
  4. Step 4: Simplify right side
    213,806.72x = 34,908,221,990.77
  5. Step 5: Solve for x
    x = 34,908,221,990.77/213,806.72
  6. Step 6: Final answer
    x = 163,269.99

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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.