Home / 179,968.77-248,352.09-99,390.58

Finding the Fourth Proportional to 179,968.77, 248,352.09 and 99,390.58

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Solution

The fourth proportional to 179,968.77, 248,352.09 and 99,390.58 is: 137,156.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,968.77 : 248,352.09 = 99,390.58 : x
  2. Step 2: Convert to fraction form
    179,968.77/248,352.09 = 99,390.58/x
  3. Step 3: Cross multiply
    179,968.77x = 248,352.09 × 99,390.58
  4. Step 4: Simplify right side
    179,968.77x = 24,683,858,269.31
  5. Step 5: Solve for x
    x = 24,683,858,269.31/179,968.77
  6. Step 6: Final answer
    x = 137,156.34

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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.