Home / 178,436.96-245,624.88-154,226.80

Finding the Fourth Proportional to 178,436.96, 245,624.88 and 154,226.80

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Solution

The fourth proportional to 178,436.96, 245,624.88 and 154,226.80 is: 212,298.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,436.96 : 245,624.88 = 154,226.80 : x
  2. Step 2: Convert to fraction form
    178,436.96/245,624.88 = 154,226.80/x
  3. Step 3: Cross multiply
    178,436.96x = 245,624.88 × 154,226.80
  4. Step 4: Simplify right side
    178,436.96x = 37,881,939,242.78
  5. Step 5: Solve for x
    x = 37,881,939,242.78/178,436.96
  6. Step 6: Final answer
    x = 212,298.73

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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.