Home / 459,632.48-689,451.77-160,118.72

Finding the Fourth Proportional to 459,632.48, 689,451.77 and 160,118.72

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Solution

The fourth proportional to 459,632.48, 689,451.77 and 160,118.72 is: 240,179.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    459,632.48 : 689,451.77 = 160,118.72 : x
  2. Step 2: Convert to fraction form
    459,632.48/689,451.77 = 160,118.72/x
  3. Step 3: Cross multiply
    459,632.48x = 689,451.77 × 160,118.72
  4. Step 4: Simplify right side
    459,632.48x = 110,394,130,666.28
  5. Step 5: Solve for x
    x = 110,394,130,666.28/459,632.48
  6. Step 6: Final answer
    x = 240,179.14

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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.