Home / 414,056.13-621,215.42-147,810.75

Finding the Fourth Proportional to 414,056.13, 621,215.42 and 147,810.75

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Solution

The fourth proportional to 414,056.13, 621,215.42 and 147,810.75 is: 221,762.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    414,056.13 : 621,215.42 = 147,810.75 : x
  2. Step 2: Convert to fraction form
    414,056.13/621,215.42 = 147,810.75/x
  3. Step 3: Cross multiply
    414,056.13x = 621,215.42 × 147,810.75
  4. Step 4: Simplify right side
    414,056.13x = 91,822,316,402.71
  5. Step 5: Solve for x
    x = 91,822,316,402.71/414,056.13
  6. Step 6: Final answer
    x = 221,762.97

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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.