Home / 459,925.18-689,835.21-122,992.10

Finding the Fourth Proportional to 459,925.18, 689,835.21 and 122,992.10

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Solution

The fourth proportional to 459,925.18, 689,835.21 and 122,992.10 is: 184,474.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    459,925.18 : 689,835.21 = 122,992.10 : x
  2. Step 2: Convert to fraction form
    459,925.18/689,835.21 = 122,992.10/x
  3. Step 3: Cross multiply
    459,925.18x = 689,835.21 × 122,992.10
  4. Step 4: Simplify right side
    459,925.18x = 84,844,281,131.84
  5. Step 5: Solve for x
    x = 84,844,281,131.84/459,925.18
  6. Step 6: Final answer
    x = 184,474.09

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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.