Home / 134,522.12-185,711.77-104,239.46

Finding the Fourth Proportional to 134,522.12, 185,711.77 and 104,239.46

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Solution

The fourth proportional to 134,522.12, 185,711.77 and 104,239.46 is: 143,905.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,522.12 : 185,711.77 = 104,239.46 : x
  2. Step 2: Convert to fraction form
    134,522.12/185,711.77 = 104,239.46/x
  3. Step 3: Cross multiply
    134,522.12x = 185,711.77 × 104,239.46
  4. Step 4: Simplify right side
    134,522.12x = 19,358,495,215.02
  5. Step 5: Solve for x
    x = 19,358,495,215.02/134,522.12
  6. Step 6: Final answer
    x = 143,905.66

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.