Home / 236,160.08-325,904.34-128,730.15

Finding the Fourth Proportional to 236,160.08, 325,904.34 and 128,730.15

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Solution

The fourth proportional to 236,160.08, 325,904.34 and 128,730.15 is: 177,649.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,160.08 : 325,904.34 = 128,730.15 : x
  2. Step 2: Convert to fraction form
    236,160.08/325,904.34 = 128,730.15/x
  3. Step 3: Cross multiply
    236,160.08x = 325,904.34 × 128,730.15
  4. Step 4: Simplify right side
    236,160.08x = 41,953,714,573.85
  5. Step 5: Solve for x
    x = 41,953,714,573.85/236,160.08
  6. Step 6: Final answer
    x = 177,649.48

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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.