Home / 209,303.44-288,832.69-118,667.81

Finding the Fourth Proportional to 209,303.44, 288,832.69 and 118,667.81

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Solution

The fourth proportional to 209,303.44, 288,832.69 and 118,667.81 is: 163,758.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,303.44 : 288,832.69 = 118,667.81 : x
  2. Step 2: Convert to fraction form
    209,303.44/288,832.69 = 118,667.81/x
  3. Step 3: Cross multiply
    209,303.44x = 288,832.69 × 118,667.81
  4. Step 4: Simplify right side
    209,303.44x = 34,275,142,778.71
  5. Step 5: Solve for x
    x = 34,275,142,778.71/209,303.44
  6. Step 6: Final answer
    x = 163,758.14

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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.