Home / 130,443.79-195,271.80-117,969.69

Finding the Fourth Proportional to 130,443.79, 195,271.80 and 117,969.69

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Solution

The fourth proportional to 130,443.79, 195,271.80 and 117,969.69 is: 176,598.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,443.79 : 195,271.80 = 117,969.69 : x
  2. Step 2: Convert to fraction form
    130,443.79/195,271.80 = 117,969.69/x
  3. Step 3: Cross multiply
    130,443.79x = 195,271.80 × 117,969.69
  4. Step 4: Simplify right side
    130,443.79x = 23,036,153,711.74
  5. Step 5: Solve for x
    x = 23,036,153,711.74/130,443.79
  6. Step 6: Final answer
    x = 176,598.32

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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.