Home / 130,304.16-195,514.56-74,900.16

Finding the Fourth Proportional to 130,304.16, 195,514.56 and 74,900.16

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Solution

The fourth proportional to 130,304.16, 195,514.56 and 74,900.16 is: 112,383.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,304.16 : 195,514.56 = 74,900.16 : x
  2. Step 2: Convert to fraction form
    130,304.16/195,514.56 = 74,900.16/x
  3. Step 3: Cross multiply
    130,304.16x = 195,514.56 × 74,900.16
  4. Step 4: Simplify right side
    130,304.16x = 14,644,071,826.33
  5. Step 5: Solve for x
    x = 14,644,071,826.33/130,304.16
  6. Step 6: Final answer
    x = 112,383.76

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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.