Home / 127,232.50-190,848.75-39,680.50

Finding the Fourth Proportional to 127,232.50, 190,848.75 and 39,680.50

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Solution

The fourth proportional to 127,232.50, 190,848.75 and 39,680.50 is: 59,520.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,232.50 : 190,848.75 = 39,680.50 : x
  2. Step 2: Convert to fraction form
    127,232.50/190,848.75 = 39,680.50/x
  3. Step 3: Cross multiply
    127,232.50x = 190,848.75 × 39,680.50
  4. Step 4: Simplify right side
    127,232.50x = 7,572,973,824.38
  5. Step 5: Solve for x
    x = 7,572,973,824.38/127,232.50
  6. Step 6: Final answer
    x = 59,520.75

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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.