Home / 154,765.02-213,613.68-94,368.90

Finding the Fourth Proportional to 154,765.02, 213,613.68 and 94,368.90

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Solution

The fourth proportional to 154,765.02, 213,613.68 and 94,368.90 is: 130,252.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,765.02 : 213,613.68 = 94,368.90 : x
  2. Step 2: Convert to fraction form
    154,765.02/213,613.68 = 94,368.90/x
  3. Step 3: Cross multiply
    154,765.02x = 213,613.68 × 94,368.90
  4. Step 4: Simplify right side
    154,765.02x = 20,158,488,006.55
  5. Step 5: Solve for x
    x = 20,158,488,006.55/154,765.02
  6. Step 6: Final answer
    x = 130,252.22

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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.