Home / 219,042.02-302,278.43-118,440.02

Finding the Fourth Proportional to 219,042.02, 302,278.43 and 118,440.02

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Solution

The fourth proportional to 219,042.02, 302,278.43 and 118,440.02 is: 163,447.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,042.02 : 302,278.43 = 118,440.02 : x
  2. Step 2: Convert to fraction form
    219,042.02/302,278.43 = 118,440.02/x
  3. Step 3: Cross multiply
    219,042.02x = 302,278.43 × 118,440.02
  4. Step 4: Simplify right side
    219,042.02x = 35,801,863,294.77
  5. Step 5: Solve for x
    x = 35,801,863,294.77/219,042.02
  6. Step 6: Final answer
    x = 163,447.47

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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.