Home / 177,820.89-245,482.07-137,443.41

Finding the Fourth Proportional to 177,820.89, 245,482.07 and 137,443.41

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Solution

The fourth proportional to 177,820.89, 245,482.07 and 137,443.41 is: 189,740.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,820.89 : 245,482.07 = 137,443.41 : x
  2. Step 2: Convert to fraction form
    177,820.89/245,482.07 = 137,443.41/x
  3. Step 3: Cross multiply
    177,820.89x = 245,482.07 × 137,443.41
  4. Step 4: Simplify right side
    177,820.89x = 33,739,892,794.66
  5. Step 5: Solve for x
    x = 33,739,892,794.66/177,820.89
  6. Step 6: Final answer
    x = 189,740.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.