Home / 119,278.16-164,600.52-65,563.28

Finding the Fourth Proportional to 119,278.16, 164,600.52 and 65,563.28

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Solution

The fourth proportional to 119,278.16, 164,600.52 and 65,563.28 is: 90,475.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,278.16 : 164,600.52 = 65,563.28 : x
  2. Step 2: Convert to fraction form
    119,278.16/164,600.52 = 65,563.28/x
  3. Step 3: Cross multiply
    119,278.16x = 164,600.52 × 65,563.28
  4. Step 4: Simplify right side
    119,278.16x = 10,791,749,980.91
  5. Step 5: Solve for x
    x = 10,791,749,980.91/119,278.16
  6. Step 6: Final answer
    x = 90,475.49

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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.