Home / 219,550.38-302,979.47-118,948.38

Finding the Fourth Proportional to 219,550.38, 302,979.47 and 118,948.38

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Solution

The fourth proportional to 219,550.38, 302,979.47 and 118,948.38 is: 164,148.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,550.38 : 302,979.47 = 118,948.38 : x
  2. Step 2: Convert to fraction form
    219,550.38/302,979.47 = 118,948.38/x
  3. Step 3: Cross multiply
    219,550.38x = 302,979.47 × 118,948.38
  4. Step 4: Simplify right side
    219,550.38x = 36,038,916,535.02
  5. Step 5: Solve for x
    x = 36,038,916,535.02/219,550.38
  6. Step 6: Final answer
    x = 164,148.73

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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.