Home / 130,030.30-194,613.45-94,390.30

Finding the Fourth Proportional to 130,030.30, 194,613.45 and 94,390.30

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Solution

The fourth proportional to 130,030.30, 194,613.45 and 94,390.30 is: 141,271.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,030.30 : 194,613.45 = 94,390.30 : x
  2. Step 2: Convert to fraction form
    130,030.30/194,613.45 = 94,390.30/x
  3. Step 3: Cross multiply
    130,030.30x = 194,613.45 × 94,390.30
  4. Step 4: Simplify right side
    130,030.30x = 18,369,621,929.54
  5. Step 5: Solve for x
    x = 18,369,621,929.54/130,030.30
  6. Step 6: Final answer
    x = 141,271.86

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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.