Home / 105,319.40-157,946.29-35,182.31

Finding the Fourth Proportional to 105,319.40, 157,946.29 and 35,182.31

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Solution

The fourth proportional to 105,319.40, 157,946.29 and 35,182.31 is: 52,762.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,319.40 : 157,946.29 = 35,182.31 : x
  2. Step 2: Convert to fraction form
    105,319.40/157,946.29 = 35,182.31/x
  3. Step 3: Cross multiply
    105,319.40x = 157,946.29 × 35,182.31
  4. Step 4: Simplify right side
    105,319.40x = 5,556,915,645.04
  5. Step 5: Solve for x
    x = 5,556,915,645.04/105,319.40
  6. Step 6: Final answer
    x = 52,762.51

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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.