Home / 219,116.18-302,380.36-118,514.18

Finding the Fourth Proportional to 219,116.18, 302,380.36 and 118,514.18

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Solution

The fourth proportional to 219,116.18, 302,380.36 and 118,514.18 is: 163,549.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,116.18 : 302,380.36 = 118,514.18 : x
  2. Step 2: Convert to fraction form
    219,116.18/302,380.36 = 118,514.18/x
  3. Step 3: Cross multiply
    219,116.18x = 302,380.36 × 118,514.18
  4. Step 4: Simplify right side
    219,116.18x = 35,836,360,413.50
  5. Step 5: Solve for x
    x = 35,836,360,413.50/219,116.18
  6. Step 6: Final answer
    x = 163,549.59

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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.