Home / 127,577.72-191,376.36-38,838.80

Finding the Fourth Proportional to 127,577.72, 191,376.36 and 38,838.80

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Solution

The fourth proportional to 127,577.72, 191,376.36 and 38,838.80 is: 58,261.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,577.72 : 191,376.36 = 38,838.80 : x
  2. Step 2: Convert to fraction form
    127,577.72/191,376.36 = 38,838.80/x
  3. Step 3: Cross multiply
    127,577.72x = 191,376.36 × 38,838.80
  4. Step 4: Simplify right side
    127,577.72x = 7,432,828,170.77
  5. Step 5: Solve for x
    x = 7,432,828,170.77/127,577.72
  6. Step 6: Final answer
    x = 58,261.18

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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.