Home / 102,236.61-153,386.21-52,352.02

Finding the Fourth Proportional to 102,236.61, 153,386.21 and 52,352.02

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Solution

The fourth proportional to 102,236.61, 153,386.21 and 52,352.02 is: 78,544.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,236.61 : 153,386.21 = 52,352.02 : x
  2. Step 2: Convert to fraction form
    102,236.61/153,386.21 = 52,352.02/x
  3. Step 3: Cross multiply
    102,236.61x = 153,386.21 × 52,352.02
  4. Step 4: Simplify right side
    102,236.61x = 8,030,078,256.26
  5. Step 5: Solve for x
    x = 8,030,078,256.26/102,236.61
  6. Step 6: Final answer
    x = 78,544.06

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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.