Home / 127,104.04-190,474.62-64,818.28

Finding the Fourth Proportional to 127,104.04, 190,474.62 and 64,818.28

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Solution

The fourth proportional to 127,104.04, 190,474.62 and 64,818.28 is: 97,134.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,104.04 : 190,474.62 = 64,818.28 : x
  2. Step 2: Convert to fraction form
    127,104.04/190,474.62 = 64,818.28/x
  3. Step 3: Cross multiply
    127,104.04x = 190,474.62 × 64,818.28
  4. Step 4: Simplify right side
    127,104.04x = 12,346,237,252.05
  5. Step 5: Solve for x
    x = 12,346,237,252.05/127,104.04
  6. Step 6: Final answer
    x = 97,134.89

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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.