Home / 130,008.27-194,931-51,030.84

Finding the Fourth Proportional to 130,008.27, 194,931 and 51,030.84

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Solution

The fourth proportional to 130,008.27, 194,931 and 51,030.84 is: 76,514.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,008.27 : 194,931 = 51,030.84 : x
  2. Step 2: Convert to fraction form
    130,008.27/194,931 = 51,030.84/x
  3. Step 3: Cross multiply
    130,008.27x = 194,931 × 51,030.84
  4. Step 4: Simplify right side
    130,008.27x = 9,947,492,672.04
  5. Step 5: Solve for x
    x = 9,947,492,672.04/130,008.27
  6. Step 6: Final answer
    x = 76,514.31

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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.