Home / 127,352.43-191,004.12-121,030.38

Finding the Fourth Proportional to 127,352.43, 191,004.12 and 121,030.38

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Solution

The fourth proportional to 127,352.43, 191,004.12 and 121,030.38 is: 181,522.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,352.43 : 191,004.12 = 121,030.38 : x
  2. Step 2: Convert to fraction form
    127,352.43/191,004.12 = 121,030.38/x
  3. Step 3: Cross multiply
    127,352.43x = 191,004.12 × 121,030.38
  4. Step 4: Simplify right side
    127,352.43x = 23,117,301,225.17
  5. Step 5: Solve for x
    x = 23,117,301,225.17/127,352.43
  6. Step 6: Final answer
    x = 181,522.26

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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.