Home / 130,686.25-196,030.89-124,312.36

Finding the Fourth Proportional to 130,686.25, 196,030.89 and 124,312.36

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Solution

The fourth proportional to 130,686.25, 196,030.89 and 124,312.36 is: 186,469.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,686.25 : 196,030.89 = 124,312.36 : x
  2. Step 2: Convert to fraction form
    130,686.25/196,030.89 = 124,312.36/x
  3. Step 3: Cross multiply
    130,686.25x = 196,030.89 × 124,312.36
  4. Step 4: Simplify right side
    130,686.25x = 24,369,062,568.80
  5. Step 5: Solve for x
    x = 24,369,062,568.80/130,686.25
  6. Step 6: Final answer
    x = 186,469.98

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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.