Home / 130,851.40-196,277.10-117,729.40

Finding the Fourth Proportional to 130,851.40, 196,277.10 and 117,729.40

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Solution

The fourth proportional to 130,851.40, 196,277.10 and 117,729.40 is: 176,594.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,851.40 : 196,277.10 = 117,729.40 : x
  2. Step 2: Convert to fraction form
    130,851.40/196,277.10 = 117,729.40/x
  3. Step 3: Cross multiply
    130,851.40x = 196,277.10 × 117,729.40
  4. Step 4: Simplify right side
    130,851.40x = 23,107,585,216.74
  5. Step 5: Solve for x
    x = 23,107,585,216.74/130,851.40
  6. Step 6: Final answer
    x = 176,594.10

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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.