Home / 147,470.99-203,527.26-83,818.35

Finding the Fourth Proportional to 147,470.99, 203,527.26 and 83,818.35

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Solution

The fourth proportional to 147,470.99, 203,527.26 and 83,818.35 is: 115,679.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,470.99 : 203,527.26 = 83,818.35 : x
  2. Step 2: Convert to fraction form
    147,470.99/203,527.26 = 83,818.35/x
  3. Step 3: Cross multiply
    147,470.99x = 203,527.26 × 83,818.35
  4. Step 4: Simplify right side
    147,470.99x = 17,059,319,113.22
  5. Step 5: Solve for x
    x = 17,059,319,113.22/147,470.99
  6. Step 6: Final answer
    x = 115,679.16

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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.