Home / 237,904.21-328,308.20-130,474.90

Finding the Fourth Proportional to 237,904.21, 328,308.20 and 130,474.90

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Solution

The fourth proportional to 237,904.21, 328,308.20 and 130,474.90 is: 180,055.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,904.21 : 328,308.20 = 130,474.90 : x
  2. Step 2: Convert to fraction form
    237,904.21/328,308.20 = 130,474.90/x
  3. Step 3: Cross multiply
    237,904.21x = 328,308.20 × 130,474.90
  4. Step 4: Simplify right side
    237,904.21x = 42,835,977,270.26
  5. Step 5: Solve for x
    x = 42,835,977,270.26/237,904.21
  6. Step 6: Final answer
    x = 180,055.57

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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.