Home / 204,649.12-282,389.54-118,607.50

Finding the Fourth Proportional to 204,649.12, 282,389.54 and 118,607.50

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Solution

The fourth proportional to 204,649.12, 282,389.54 and 118,607.50 is: 163,663.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,649.12 : 282,389.54 = 118,607.50 : x
  2. Step 2: Convert to fraction form
    204,649.12/282,389.54 = 118,607.50/x
  3. Step 3: Cross multiply
    204,649.12x = 282,389.54 × 118,607.50
  4. Step 4: Simplify right side
    204,649.12x = 33,493,518,189.78
  5. Step 5: Solve for x
    x = 33,493,518,189.78/204,649.12
  6. Step 6: Final answer
    x = 163,663.14

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.