Home / 109,461.48-163,872.33-98,955.67

Finding the Fourth Proportional to 109,461.48, 163,872.33 and 98,955.67

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Solution

The fourth proportional to 109,461.48, 163,872.33 and 98,955.67 is: 148,144.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,461.48 : 163,872.33 = 98,955.67 : x
  2. Step 2: Convert to fraction form
    109,461.48/163,872.33 = 98,955.67/x
  3. Step 3: Cross multiply
    109,461.48x = 163,872.33 × 98,955.67
  4. Step 4: Simplify right side
    109,461.48x = 16,216,096,209.61
  5. Step 5: Solve for x
    x = 16,216,096,209.61/109,461.48
  6. Step 6: Final answer
    x = 148,144.32

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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.