Home / 118,511.19-163,544.33-64,795.64

Finding the Fourth Proportional to 118,511.19, 163,544.33 and 64,795.64

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Solution

The fourth proportional to 118,511.19, 163,544.33 and 64,795.64 is: 89,417.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,511.19 : 163,544.33 = 64,795.64 : x
  2. Step 2: Convert to fraction form
    118,511.19/163,544.33 = 64,795.64/x
  3. Step 3: Cross multiply
    118,511.19x = 163,544.33 × 64,795.64
  4. Step 4: Simplify right side
    118,511.19x = 10,596,958,970.48
  5. Step 5: Solve for x
    x = 10,596,958,970.48/118,511.19
  6. Step 6: Final answer
    x = 89,417.37

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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.