Home / 335,920.10-503,880.15-148,931.60

Finding the Fourth Proportional to 335,920.10, 503,880.15 and 148,931.60

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Solution

The fourth proportional to 335,920.10, 503,880.15 and 148,931.60 is: 223,397.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    335,920.10 : 503,880.15 = 148,931.60 : x
  2. Step 2: Convert to fraction form
    335,920.10/503,880.15 = 148,931.60/x
  3. Step 3: Cross multiply
    335,920.10x = 503,880.15 × 148,931.60
  4. Step 4: Simplify right side
    335,920.10x = 75,043,676,947.74
  5. Step 5: Solve for x
    x = 75,043,676,947.74/335,920.10
  6. Step 6: Final answer
    x = 223,397.40

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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.