Home / 127,339.60-191,213.40-101,261.20

Finding the Fourth Proportional to 127,339.60, 191,213.40 and 101,261.20

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Solution

The fourth proportional to 127,339.60, 191,213.40 and 101,261.20 is: 152,054.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,339.60 : 191,213.40 = 101,261.20 : x
  2. Step 2: Convert to fraction form
    127,339.60/191,213.40 = 101,261.20/x
  3. Step 3: Cross multiply
    127,339.60x = 191,213.40 × 101,261.20
  4. Step 4: Simplify right side
    127,339.60x = 19,362,498,340.08
  5. Step 5: Solve for x
    x = 19,362,498,340.08/127,339.60
  6. Step 6: Final answer
    x = 152,054.02

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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.