Home / 130,007.90-194,623.05-122,318.30

Finding the Fourth Proportional to 130,007.90, 194,623.05 and 122,318.30

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Solution

The fourth proportional to 130,007.90, 194,623.05 and 122,318.30 is: 183,111.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,007.90 : 194,623.05 = 122,318.30 : x
  2. Step 2: Convert to fraction form
    130,007.90/194,623.05 = 122,318.30/x
  3. Step 3: Cross multiply
    130,007.90x = 194,623.05 × 122,318.30
  4. Step 4: Simplify right side
    130,007.90x = 23,805,960,616.82
  5. Step 5: Solve for x
    x = 23,805,960,616.82/130,007.90
  6. Step 6: Final answer
    x = 183,111.65

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1.5x scale

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.