Home / 219,273.12-302,609.07-154,763.01

Finding the Fourth Proportional to 219,273.12, 302,609.07 and 154,763.01

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Solution

The fourth proportional to 219,273.12, 302,609.07 and 154,763.01 is: 213,581.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,273.12 : 302,609.07 = 154,763.01 : x
  2. Step 2: Convert to fraction form
    219,273.12/302,609.07 = 154,763.01/x
  3. Step 3: Cross multiply
    219,273.12x = 302,609.07 × 154,763.01
  4. Step 4: Simplify right side
    219,273.12x = 46,832,690,526.50
  5. Step 5: Solve for x
    x = 46,832,690,526.50/219,273.12
  6. Step 6: Final answer
    x = 213,581.54

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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.