Home / 113,707.06-156,852.75-79,766.08

Finding the Fourth Proportional to 113,707.06, 156,852.75 and 79,766.08

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Solution

The fourth proportional to 113,707.06, 156,852.75 and 79,766.08 is: 110,033.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,707.06 : 156,852.75 = 79,766.08 : x
  2. Step 2: Convert to fraction form
    113,707.06/156,852.75 = 79,766.08/x
  3. Step 3: Cross multiply
    113,707.06x = 156,852.75 × 79,766.08
  4. Step 4: Simplify right side
    113,707.06x = 12,511,529,004.72
  5. Step 5: Solve for x
    x = 12,511,529,004.72/113,707.06
  6. Step 6: Final answer
    x = 110,033.00

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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.