Home / 127,126.62-190,683.75-47,180.16

Finding the Fourth Proportional to 127,126.62, 190,683.75 and 47,180.16

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Solution

The fourth proportional to 127,126.62, 190,683.75 and 47,180.16 is: 70,767.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,126.62 : 190,683.75 = 47,180.16 : x
  2. Step 2: Convert to fraction form
    127,126.62/190,683.75 = 47,180.16/x
  3. Step 3: Cross multiply
    127,126.62x = 190,683.75 × 47,180.16
  4. Step 4: Simplify right side
    127,126.62x = 8,996,489,834.40
  5. Step 5: Solve for x
    x = 8,996,489,834.40/127,126.62
  6. Step 6: Final answer
    x = 70,767.95

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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.