Home / 127,501.90-190,815.45-117,004.30

Finding the Fourth Proportional to 127,501.90, 190,815.45 and 117,004.30

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Solution

The fourth proportional to 127,501.90, 190,815.45 and 117,004.30 is: 175,105.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,501.90 : 190,815.45 = 117,004.30 : x
  2. Step 2: Convert to fraction form
    127,501.90/190,815.45 = 117,004.30/x
  3. Step 3: Cross multiply
    127,501.90x = 190,815.45 × 117,004.30
  4. Step 4: Simplify right side
    127,501.90x = 22,326,228,156.44
  5. Step 5: Solve for x
    x = 22,326,228,156.44/127,501.90
  6. Step 6: Final answer
    x = 175,105.06

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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.