Home / 118,907.74-164,099.39-70,538.31

Finding the Fourth Proportional to 118,907.74, 164,099.39 and 70,538.31

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Solution

The fourth proportional to 118,907.74, 164,099.39 and 70,538.31 is: 97,346.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,907.74 : 164,099.39 = 70,538.31 : x
  2. Step 2: Convert to fraction form
    118,907.74/164,099.39 = 70,538.31/x
  3. Step 3: Cross multiply
    118,907.74x = 164,099.39 × 70,538.31
  4. Step 4: Simplify right side
    118,907.74x = 11,575,293,192.81
  5. Step 5: Solve for x
    x = 11,575,293,192.81/118,907.74
  6. Step 6: Final answer
    x = 97,346.85

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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.