Home / 102,239.08-153,389.92-52,354.49

Finding the Fourth Proportional to 102,239.08, 153,389.92 and 52,354.49

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Solution

The fourth proportional to 102,239.08, 153,389.92 and 52,354.49 is: 78,547.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,239.08 : 153,389.92 = 52,354.49 : x
  2. Step 2: Convert to fraction form
    102,239.08/153,389.92 = 52,354.49/x
  3. Step 3: Cross multiply
    102,239.08x = 153,389.92 × 52,354.49
  4. Step 4: Simplify right side
    102,239.08x = 8,030,651,330.97
  5. Step 5: Solve for x
    x = 8,030,651,330.97/102,239.08
  6. Step 6: Final answer
    x = 78,547.77

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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.