Home / 127,623.42-191,462.46-38,884.08

Finding the Fourth Proportional to 127,623.42, 191,462.46 and 38,884.08

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Solution

The fourth proportional to 127,623.42, 191,462.46 and 38,884.08 is: 58,334.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,623.42 : 191,462.46 = 38,884.08 : x
  2. Step 2: Convert to fraction form
    127,623.42/191,462.46 = 38,884.08/x
  3. Step 3: Cross multiply
    127,623.42x = 191,462.46 × 38,884.08
  4. Step 4: Simplify right side
    127,623.42x = 7,444,841,611.64
  5. Step 5: Solve for x
    x = 7,444,841,611.64/127,623.42
  6. Step 6: Final answer
    x = 58,334.45

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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.