Home / 126,606.60-174,927.67-99,953.15

Finding the Fourth Proportional to 126,606.60, 174,927.67 and 99,953.15

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Solution

The fourth proportional to 126,606.60, 174,927.67 and 99,953.15 is: 138,101.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,606.60 : 174,927.67 = 99,953.15 : x
  2. Step 2: Convert to fraction form
    126,606.60/174,927.67 = 99,953.15/x
  3. Step 3: Cross multiply
    126,606.60x = 174,927.67 × 99,953.15
  4. Step 4: Simplify right side
    126,606.60x = 17,484,570,514.14
  5. Step 5: Solve for x
    x = 17,484,570,514.14/126,606.60
  6. Step 6: Final answer
    x = 138,101.57

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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.