Home / 109,470.08-163,885.07-98,964.18

Finding the Fourth Proportional to 109,470.08, 163,885.07 and 98,964.18

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Solution

The fourth proportional to 109,470.08, 163,885.07 and 98,964.18 is: 148,156.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,470.08 : 163,885.07 = 98,964.18 : x
  2. Step 2: Convert to fraction form
    109,470.08/163,885.07 = 98,964.18/x
  3. Step 3: Cross multiply
    109,470.08x = 163,885.07 × 98,964.18
  4. Step 4: Simplify right side
    109,470.08x = 16,218,751,814.20
  5. Step 5: Solve for x
    x = 16,218,751,814.20/109,470.08
  6. Step 6: Final answer
    x = 148,156.93

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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.