Home / 127,024.25-190,565.55-42,782.22

Finding the Fourth Proportional to 127,024.25, 190,565.55 and 42,782.22

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Solution

The fourth proportional to 127,024.25, 190,565.55 and 42,782.22 is: 64,183.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,024.25 : 190,565.55 = 42,782.22 : x
  2. Step 2: Convert to fraction form
    127,024.25/190,565.55 = 42,782.22/x
  3. Step 3: Cross multiply
    127,024.25x = 190,565.55 × 42,782.22
  4. Step 4: Simplify right side
    127,024.25x = 8,152,817,284.52
  5. Step 5: Solve for x
    x = 8,152,817,284.52/127,024.25
  6. Step 6: Final answer
    x = 64,183.16

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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.