Home / 127,108.08-190,663.38-38,362.32

Finding the Fourth Proportional to 127,108.08, 190,663.38 and 38,362.32

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Solution

The fourth proportional to 127,108.08, 190,663.38 and 38,362.32 is: 57,543.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,108.08 : 190,663.38 = 38,362.32 : x
  2. Step 2: Convert to fraction form
    127,108.08/190,663.38 = 38,362.32/x
  3. Step 3: Cross multiply
    127,108.08x = 190,663.38 × 38,362.32
  4. Step 4: Simplify right side
    127,108.08x = 7,314,289,595.84
  5. Step 5: Solve for x
    x = 7,314,289,595.84/127,108.08
  6. Step 6: Final answer
    x = 57,543.86

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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.