Home / 137,746.12-190,034.76-84,026.92

Finding the Fourth Proportional to 137,746.12, 190,034.76 and 84,026.92

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Solution

The fourth proportional to 137,746.12, 190,034.76 and 84,026.92 is: 115,923.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,746.12 : 190,034.76 = 84,026.92 : x
  2. Step 2: Convert to fraction form
    137,746.12/190,034.76 = 84,026.92/x
  3. Step 3: Cross multiply
    137,746.12x = 190,034.76 × 84,026.92
  4. Step 4: Simplify right side
    137,746.12x = 15,968,035,575.74
  5. Step 5: Solve for x
    x = 15,968,035,575.74/137,746.12
  6. Step 6: Final answer
    x = 115,923.67

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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.