Home / 130,131.40-195,197.10-117,009.40

Finding the Fourth Proportional to 130,131.40, 195,197.10 and 117,009.40

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Solution

The fourth proportional to 130,131.40, 195,197.10 and 117,009.40 is: 175,514.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,131.40 : 195,197.10 = 117,009.40 : x
  2. Step 2: Convert to fraction form
    130,131.40/195,197.10 = 117,009.40/x
  3. Step 3: Cross multiply
    130,131.40x = 195,197.10 × 117,009.40
  4. Step 4: Simplify right side
    130,131.40x = 22,839,895,552.74
  5. Step 5: Solve for x
    x = 22,839,895,552.74/130,131.40
  6. Step 6: Final answer
    x = 175,514.10

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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.