Home / 414,030.16-621,045.19-133,547.41

Finding the Fourth Proportional to 414,030.16, 621,045.19 and 133,547.41

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Solution

The fourth proportional to 414,030.16, 621,045.19 and 133,547.41 is: 200,321.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    414,030.16 : 621,045.19 = 133,547.41 : x
  2. Step 2: Convert to fraction form
    414,030.16/621,045.19 = 133,547.41/x
  3. Step 3: Cross multiply
    414,030.16x = 621,045.19 × 133,547.41
  4. Step 4: Simplify right side
    414,030.16x = 82,938,976,617.46
  5. Step 5: Solve for x
    x = 82,938,976,617.46/414,030.16
  6. Step 6: Final answer
    x = 200,321.10

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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.