Home / 151,706.13-209,354.55-84,638.13

Finding the Fourth Proportional to 151,706.13, 209,354.55 and 84,638.13

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Solution

The fourth proportional to 151,706.13, 209,354.55 and 84,638.13 is: 116,800.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,706.13 : 209,354.55 = 84,638.13 : x
  2. Step 2: Convert to fraction form
    151,706.13/209,354.55 = 84,638.13/x
  3. Step 3: Cross multiply
    151,706.13x = 209,354.55 × 84,638.13
  4. Step 4: Simplify right side
    151,706.13x = 17,719,377,618.99
  5. Step 5: Solve for x
    x = 17,719,377,618.99/151,706.13
  6. Step 6: Final answer
    x = 116,800.67

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1.5x scale

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.