Home / 320,373.02-480,411.59-117,918.26

Finding the Fourth Proportional to 320,373.02, 480,411.59 and 117,918.26

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Solution

The fourth proportional to 320,373.02, 480,411.59 and 117,918.26 is: 176,822.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,373.02 : 480,411.59 = 117,918.26 : x
  2. Step 2: Convert to fraction form
    320,373.02/480,411.59 = 117,918.26/x
  3. Step 3: Cross multiply
    320,373.02x = 480,411.59 × 117,918.26
  4. Step 4: Simplify right side
    320,373.02x = 56,649,295,784.98
  5. Step 5: Solve for x
    x = 56,649,295,784.98/320,373.02
  6. Step 6: Final answer
    x = 176,822.93

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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.