Home / 219,437.12-302,824.44-118,835.12

Finding the Fourth Proportional to 219,437.12, 302,824.44 and 118,835.12

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Solution

The fourth proportional to 219,437.12, 302,824.44 and 118,835.12 is: 163,993.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,437.12 : 302,824.44 = 118,835.12 : x
  2. Step 2: Convert to fraction form
    219,437.12/302,824.44 = 118,835.12/x
  3. Step 3: Cross multiply
    219,437.12x = 302,824.44 × 118,835.12
  4. Step 4: Simplify right side
    219,437.12x = 35,986,178,666.33
  5. Step 5: Solve for x
    x = 35,986,178,666.33/219,437.12
  6. Step 6: Final answer
    x = 163,993.12

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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.