Home / 304,740.36-457,405.38-147,079.80

Finding the Fourth Proportional to 304,740.36, 457,405.38 and 147,079.80

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Solution

The fourth proportional to 304,740.36, 457,405.38 and 147,079.80 is: 220,762.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,740.36 : 457,405.38 = 147,079.80 : x
  2. Step 2: Convert to fraction form
    304,740.36/457,405.38 = 147,079.80/x
  3. Step 3: Cross multiply
    304,740.36x = 457,405.38 × 147,079.80
  4. Step 4: Simplify right side
    304,740.36x = 67,275,091,809.32
  5. Step 5: Solve for x
    x = 67,275,091,809.32/304,740.36
  6. Step 6: Final answer
    x = 220,762.00

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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.