Home / 127,973.27-191,877.75-53,145.06

Finding the Fourth Proportional to 127,973.27, 191,877.75 and 53,145.06

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Solution

The fourth proportional to 127,973.27, 191,877.75 and 53,145.06 is: 79,683.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,973.27 : 191,877.75 = 53,145.06 : x
  2. Step 2: Convert to fraction form
    127,973.27/191,877.75 = 53,145.06/x
  3. Step 3: Cross multiply
    127,973.27x = 191,877.75 × 53,145.06
  4. Step 4: Simplify right side
    127,973.27x = 10,197,354,536.42
  5. Step 5: Solve for x
    x = 10,197,354,536.42/127,973.27
  6. Step 6: Final answer
    x = 79,683.48

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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.