Home / 112,005.60-168,004.80-37,129.20

Finding the Fourth Proportional to 112,005.60, 168,004.80 and 37,129.20

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Solution

The fourth proportional to 112,005.60, 168,004.80 and 37,129.20 is: 55,692.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,005.60 : 168,004.80 = 37,129.20 : x
  2. Step 2: Convert to fraction form
    112,005.60/168,004.80 = 37,129.20/x
  3. Step 3: Cross multiply
    112,005.60x = 168,004.80 × 37,129.20
  4. Step 4: Simplify right side
    112,005.60x = 6,237,883,820.16
  5. Step 5: Solve for x
    x = 6,237,883,820.16/112,005.60
  6. Step 6: Final answer
    x = 55,692.61

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1.5x scale

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.