Home / 219,114.38-302,377.86-118,512.38

Finding the Fourth Proportional to 219,114.38, 302,377.86 and 118,512.38

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Solution

The fourth proportional to 219,114.38, 302,377.86 and 118,512.38 is: 163,547.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,114.38 : 302,377.86 = 118,512.38 : x
  2. Step 2: Convert to fraction form
    219,114.38/302,377.86 = 118,512.38/x
  3. Step 3: Cross multiply
    219,114.38x = 302,377.86 × 118,512.38
  4. Step 4: Simplify right side
    219,114.38x = 35,835,518,336.02
  5. Step 5: Solve for x
    x = 35,835,518,336.02/219,114.38
  6. Step 6: Final answer
    x = 163,547.09

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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.