Home / 179,973.58-248,356.80-99,399.36

Finding the Fourth Proportional to 179,973.58, 248,356.80 and 99,399.36

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Solution

The fourth proportional to 179,973.58, 248,356.80 and 99,399.36 is: 137,167.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,973.58 : 248,356.80 = 99,399.36 : x
  2. Step 2: Convert to fraction form
    179,973.58/248,356.80 = 99,399.36/x
  3. Step 3: Cross multiply
    179,973.58x = 248,356.80 × 99,399.36
  4. Step 4: Simplify right side
    179,973.58x = 24,686,506,971.65
  5. Step 5: Solve for x
    x = 24,686,506,971.65/179,973.58
  6. Step 6: Final answer
    x = 137,167.39

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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.