Home / 116,813.20-175,219.80-42,931.60

Finding the Fourth Proportional to 116,813.20, 175,219.80 and 42,931.60

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Solution

The fourth proportional to 116,813.20, 175,219.80 and 42,931.60 is: 64,397.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,813.20 : 175,219.80 = 42,931.60 : x
  2. Step 2: Convert to fraction form
    116,813.20/175,219.80 = 42,931.60/x
  3. Step 3: Cross multiply
    116,813.20x = 175,219.80 × 42,931.60
  4. Step 4: Simplify right side
    116,813.20x = 7,522,466,365.68
  5. Step 5: Solve for x
    x = 7,522,466,365.68/116,813.20
  6. Step 6: Final answer
    x = 64,397.40

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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.