Home / 126,814.59-190,225.37-38,068.12

Finding the Fourth Proportional to 126,814.59, 190,225.37 and 38,068.12

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Solution

The fourth proportional to 126,814.59, 190,225.37 and 38,068.12 is: 57,103.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,814.59 : 190,225.37 = 38,068.12 : x
  2. Step 2: Convert to fraction form
    126,814.59/190,225.37 = 38,068.12/x
  3. Step 3: Cross multiply
    126,814.59x = 190,225.37 × 38,068.12
  4. Step 4: Simplify right side
    126,814.59x = 7,241,521,831.81
  5. Step 5: Solve for x
    x = 7,241,521,831.81/126,814.59
  6. Step 6: Final answer
    x = 57,103.22

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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.