Home / 127,013.87-190,518.08-38,265.41

Finding the Fourth Proportional to 127,013.87, 190,518.08 and 38,265.41

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Solution

The fourth proportional to 127,013.87, 190,518.08 and 38,265.41 is: 57,397.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,013.87 : 190,518.08 = 38,265.41 : x
  2. Step 2: Convert to fraction form
    127,013.87/190,518.08 = 38,265.41/x
  3. Step 3: Cross multiply
    127,013.87x = 190,518.08 × 38,265.41
  4. Step 4: Simplify right side
    127,013.87x = 7,290,252,728.58
  5. Step 5: Solve for x
    x = 7,290,252,728.58/127,013.87
  6. Step 6: Final answer
    x = 57,397.30

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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.