Home / 109,471.96-163,887.89-98,966.06

Finding the Fourth Proportional to 109,471.96, 163,887.89 and 98,966.06

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Solution

The fourth proportional to 109,471.96, 163,887.89 and 98,966.06 is: 148,159.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,471.96 : 163,887.89 = 98,966.06 : x
  2. Step 2: Convert to fraction form
    109,471.96/163,887.89 = 98,966.06/x
  3. Step 3: Cross multiply
    109,471.96x = 163,887.89 × 98,966.06
  4. Step 4: Simplify right side
    109,471.96x = 16,219,337,440.74
  5. Step 5: Solve for x
    x = 16,219,337,440.74/109,471.96
  6. Step 6: Final answer
    x = 148,159.75

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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.