Home / 130,469.16-180,051.66-73,879.32

Finding the Fourth Proportional to 130,469.16, 180,051.66 and 73,879.32

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Solution

The fourth proportional to 130,469.16, 180,051.66 and 73,879.32 is: 101,955.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,469.16 : 180,051.66 = 73,879.32 : x
  2. Step 2: Convert to fraction form
    130,469.16/180,051.66 = 73,879.32/x
  3. Step 3: Cross multiply
    130,469.16x = 180,051.66 × 73,879.32
  4. Step 4: Simplify right side
    130,469.16x = 13,302,094,205.67
  5. Step 5: Solve for x
    x = 13,302,094,205.67/130,469.16
  6. Step 6: Final answer
    x = 101,955.85

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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.