Home / 127,109.08-190,664.88-38,363.32

Finding the Fourth Proportional to 127,109.08, 190,664.88 and 38,363.32

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Solution

The fourth proportional to 127,109.08, 190,664.88 and 38,363.32 is: 57,545.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,109.08 : 190,664.88 = 38,363.32 : x
  2. Step 2: Convert to fraction form
    127,109.08/190,664.88 = 38,363.32/x
  3. Step 3: Cross multiply
    127,109.08x = 190,664.88 × 38,363.32
  4. Step 4: Simplify right side
    127,109.08x = 7,314,537,804.20
  5. Step 5: Solve for x
    x = 7,314,537,804.20/127,109.08
  6. Step 6: Final answer
    x = 57,545.36

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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.