Home / 314,445.60-471,668.40-156,981.60

Finding the Fourth Proportional to 314,445.60, 471,668.40 and 156,981.60

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Solution

The fourth proportional to 314,445.60, 471,668.40 and 156,981.60 is: 235,472.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,445.60 : 471,668.40 = 156,981.60 : x
  2. Step 2: Convert to fraction form
    314,445.60/471,668.40 = 156,981.60/x
  3. Step 3: Cross multiply
    314,445.60x = 471,668.40 × 156,981.60
  4. Step 4: Simplify right side
    314,445.60x = 74,043,260,101.44
  5. Step 5: Solve for x
    x = 74,043,260,101.44/314,445.60
  6. Step 6: Final answer
    x = 235,472.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.