Home / 126,518.47-174,482.40-104,974.10

Finding the Fourth Proportional to 126,518.47, 174,482.40 and 104,974.10

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Solution

The fourth proportional to 126,518.47, 174,482.40 and 104,974.10 is: 144,770.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,518.47 : 174,482.40 = 104,974.10 : x
  2. Step 2: Convert to fraction form
    126,518.47/174,482.40 = 104,974.10/x
  3. Step 3: Cross multiply
    126,518.47x = 174,482.40 × 104,974.10
  4. Step 4: Simplify right side
    126,518.47x = 18,316,132,905.84
  5. Step 5: Solve for x
    x = 18,316,132,905.84/126,518.47
  6. Step 6: Final answer
    x = 144,770.43

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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.