Home / 459,945.04-689,920.62-160,424.50

Finding the Fourth Proportional to 459,945.04, 689,920.62 and 160,424.50

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Solution

The fourth proportional to 459,945.04, 689,920.62 and 160,424.50 is: 240,637.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    459,945.04 : 689,920.62 = 160,424.50 : x
  2. Step 2: Convert to fraction form
    459,945.04/689,920.62 = 160,424.50/x
  3. Step 3: Cross multiply
    459,945.04x = 689,920.62 × 160,424.50
  4. Step 4: Simplify right side
    459,945.04x = 110,680,170,503.19
  5. Step 5: Solve for x
    x = 110,680,170,503.19/459,945.04
  6. Step 6: Final answer
    x = 240,637.82

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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.