Home / 127,051.20-190,652.40-48,173.40

Finding the Fourth Proportional to 127,051.20, 190,652.40 and 48,173.40

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Solution

The fourth proportional to 127,051.20, 190,652.40 and 48,173.40 is: 72,288.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,051.20 : 190,652.40 = 48,173.40 : x
  2. Step 2: Convert to fraction form
    127,051.20/190,652.40 = 48,173.40/x
  3. Step 3: Cross multiply
    127,051.20x = 190,652.40 × 48,173.40
  4. Step 4: Simplify right side
    127,051.20x = 9,184,374,326.16
  5. Step 5: Solve for x
    x = 9,184,374,326.16/127,051.20
  6. Step 6: Final answer
    x = 72,288.76

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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.