Home / 157,853.40-236,647.26-129,775.56

Finding the Fourth Proportional to 157,853.40, 236,647.26 and 129,775.56

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Solution

The fourth proportional to 157,853.40, 236,647.26 and 129,775.56 is: 194,554.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,853.40 : 236,647.26 = 129,775.56 : x
  2. Step 2: Convert to fraction form
    157,853.40/236,647.26 = 129,775.56/x
  3. Step 3: Cross multiply
    157,853.40x = 236,647.26 × 129,775.56
  4. Step 4: Simplify right side
    157,853.40x = 30,711,030,688.97
  5. Step 5: Solve for x
    x = 30,711,030,688.97/157,853.40
  6. Step 6: Final answer
    x = 194,554.13

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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.