Home / 459,143.36-688,730.58-122,184.34

Finding the Fourth Proportional to 459,143.36, 688,730.58 and 122,184.34

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Solution

The fourth proportional to 459,143.36, 688,730.58 and 122,184.34 is: 183,280.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    459,143.36 : 688,730.58 = 122,184.34 : x
  2. Step 2: Convert to fraction form
    459,143.36/688,730.58 = 122,184.34/x
  3. Step 3: Cross multiply
    459,143.36x = 688,730.58 × 122,184.34
  4. Step 4: Simplify right side
    459,143.36x = 84,152,087,300.54
  5. Step 5: Solve for x
    x = 84,152,087,300.54/459,143.36
  6. Step 6: Final answer
    x = 183,280.64

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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.