Home / 154,779.12-232,192.80-66,033.36

Finding the Fourth Proportional to 154,779.12, 232,192.80 and 66,033.36

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Solution

The fourth proportional to 154,779.12, 232,192.80 and 66,033.36 is: 99,060.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,779.12 : 232,192.80 = 66,033.36 : x
  2. Step 2: Convert to fraction form
    154,779.12/232,192.80 = 66,033.36/x
  3. Step 3: Cross multiply
    154,779.12x = 232,192.80 × 66,033.36
  4. Step 4: Simplify right side
    154,779.12x = 15,332,470,751.81
  5. Step 5: Solve for x
    x = 15,332,470,751.81/154,779.12
  6. Step 6: Final answer
    x = 99,060.33

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.