Home / 127,114.32-190,672.80-38,368.56

Finding the Fourth Proportional to 127,114.32, 190,672.80 and 38,368.56

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Solution

The fourth proportional to 127,114.32, 190,672.80 and 38,368.56 is: 57,553.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,114.32 : 190,672.80 = 38,368.56 : x
  2. Step 2: Convert to fraction form
    127,114.32/190,672.80 = 38,368.56/x
  3. Step 3: Cross multiply
    127,114.32x = 190,672.80 × 38,368.56
  4. Step 4: Simplify right side
    127,114.32x = 7,315,840,767.17
  5. Step 5: Solve for x
    x = 7,315,840,767.17/127,114.32
  6. Step 6: Final answer
    x = 57,553.24

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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.