Home / 219,303.03-302,645.51-134,403.69

Finding the Fourth Proportional to 219,303.03, 302,645.51 and 134,403.69

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Solution

The fourth proportional to 219,303.03, 302,645.51 and 134,403.69 is: 185,481.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,303.03 : 302,645.51 = 134,403.69 : x
  2. Step 2: Convert to fraction form
    219,303.03/302,645.51 = 134,403.69/x
  3. Step 3: Cross multiply
    219,303.03x = 302,645.51 × 134,403.69
  4. Step 4: Simplify right side
    219,303.03x = 40,676,672,633.91
  5. Step 5: Solve for x
    x = 40,676,672,633.91/219,303.03
  6. Step 6: Final answer
    x = 185,481.58

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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.