Home / 127,070.76-190,633.86-48,185.76

Finding the Fourth Proportional to 127,070.76, 190,633.86 and 48,185.76

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Solution

The fourth proportional to 127,070.76, 190,633.86 and 48,185.76 is: 72,289.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,070.76 : 190,633.86 = 48,185.76 : x
  2. Step 2: Convert to fraction form
    127,070.76/190,633.86 = 48,185.76/x
  3. Step 3: Cross multiply
    127,070.76x = 190,633.86 × 48,185.76
  4. Step 4: Simplify right side
    127,070.76x = 9,185,837,425.83
  5. Step 5: Solve for x
    x = 9,185,837,425.83/127,070.76
  6. Step 6: Final answer
    x = 72,289.15

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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.