Home / 370,905.12-556,454.88-160,493.76

Finding the Fourth Proportional to 370,905.12, 556,454.88 and 160,493.76

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Solution

The fourth proportional to 370,905.12, 556,454.88 and 160,493.76 is: 240,782.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,905.12 : 556,454.88 = 160,493.76 : x
  2. Step 2: Convert to fraction form
    370,905.12/556,454.88 = 160,493.76/x
  3. Step 3: Cross multiply
    370,905.12x = 556,454.88 × 160,493.76
  4. Step 4: Simplify right side
    370,905.12x = 89,307,535,961.55
  5. Step 5: Solve for x
    x = 89,307,535,961.55/370,905.12
  6. Step 6: Final answer
    x = 240,782.70

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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.