Home / 118,266.56-163,206.72-64,551.92

Finding the Fourth Proportional to 118,266.56, 163,206.72 and 64,551.92

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Solution

The fourth proportional to 118,266.56, 163,206.72 and 64,551.92 is: 89,081.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,266.56 : 163,206.72 = 64,551.92 : x
  2. Step 2: Convert to fraction form
    118,266.56/163,206.72 = 64,551.92/x
  3. Step 3: Cross multiply
    118,266.56x = 163,206.72 × 64,551.92
  4. Step 4: Simplify right side
    118,266.56x = 10,535,307,132.90
  5. Step 5: Solve for x
    x = 10,535,307,132.90/118,266.56
  6. Step 6: Final answer
    x = 89,081.03

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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.