Home / 127,099.77-190,651.12-38,354.04

Finding the Fourth Proportional to 127,099.77, 190,651.12 and 38,354.04

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Solution

The fourth proportional to 127,099.77, 190,651.12 and 38,354.04 is: 57,531.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,099.77 : 190,651.12 = 38,354.04 : x
  2. Step 2: Convert to fraction form
    127,099.77/190,651.12 = 38,354.04/x
  3. Step 3: Cross multiply
    127,099.77x = 190,651.12 × 38,354.04
  4. Step 4: Simplify right side
    127,099.77x = 7,312,240,586.64
  5. Step 5: Solve for x
    x = 7,312,240,586.64/127,099.77
  6. Step 6: Final answer
    x = 57,531.50

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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.