Home / 456,443.16-684,727.03-190,141.40

Finding the Fourth Proportional to 456,443.16, 684,727.03 and 190,141.40

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Solution

The fourth proportional to 456,443.16, 684,727.03 and 190,141.40 is: 285,238.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,443.16 : 684,727.03 = 190,141.40 : x
  2. Step 2: Convert to fraction form
    456,443.16/684,727.03 = 190,141.40/x
  3. Step 3: Cross multiply
    456,443.16x = 684,727.03 × 190,141.40
  4. Step 4: Simplify right side
    456,443.16x = 130,194,952,678.41
  5. Step 5: Solve for x
    x = 130,194,952,678.41/456,443.16
  6. Step 6: Final answer
    x = 285,238.04

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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.