Home / 212,281.92-292,948.61-116,788.39

Finding the Fourth Proportional to 212,281.92, 292,948.61 and 116,788.39

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Solution

The fourth proportional to 212,281.92, 292,948.61 and 116,788.39 is: 161,167.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,281.92 : 292,948.61 = 116,788.39 : x
  2. Step 2: Convert to fraction form
    212,281.92/292,948.61 = 116,788.39/x
  3. Step 3: Cross multiply
    212,281.92x = 292,948.61 × 116,788.39
  4. Step 4: Simplify right side
    212,281.92x = 34,212,996,514.64
  5. Step 5: Solve for x
    x = 34,212,996,514.64/212,281.92
  6. Step 6: Final answer
    x = 161,167.74

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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.