Home / 459,905.19-689,950.05-160,305.33

Finding the Fourth Proportional to 459,905.19, 689,950.05 and 160,305.33

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Solution

The fourth proportional to 459,905.19, 689,950.05 and 160,305.33 is: 240,490.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    459,905.19 : 689,950.05 = 160,305.33 : x
  2. Step 2: Convert to fraction form
    459,905.19/689,950.05 = 160,305.33/x
  3. Step 3: Cross multiply
    459,905.19x = 689,950.05 × 160,305.33
  4. Step 4: Simplify right side
    459,905.19x = 110,602,669,455.68
  5. Step 5: Solve for x
    x = 110,602,669,455.68/459,905.19
  6. Step 6: Final answer
    x = 240,490.15

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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.