Home / 300,316.19-414,528.59-173,076.53

Finding the Fourth Proportional to 300,316.19, 414,528.59 and 173,076.53

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Solution

The fourth proportional to 300,316.19, 414,528.59 and 173,076.53 is: 238,898.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,316.19 : 414,528.59 = 173,076.53 : x
  2. Step 2: Convert to fraction form
    300,316.19/414,528.59 = 173,076.53/x
  3. Step 3: Cross multiply
    300,316.19x = 414,528.59 × 173,076.53
  4. Step 4: Simplify right side
    300,316.19x = 71,745,168,303.04
  5. Step 5: Solve for x
    x = 71,745,168,303.04/300,316.19
  6. Step 6: Final answer
    x = 238,898.77

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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.