Home / 237,938.13-328,241.46-142,426.38

Finding the Fourth Proportional to 237,938.13, 328,241.46 and 142,426.38

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Solution

The fourth proportional to 237,938.13, 328,241.46 and 142,426.38 is: 196,480.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,938.13 : 328,241.46 = 142,426.38 : x
  2. Step 2: Convert to fraction form
    237,938.13/328,241.46 = 142,426.38/x
  3. Step 3: Cross multiply
    237,938.13x = 328,241.46 × 142,426.38
  4. Step 4: Simplify right side
    237,938.13x = 46,750,242,913.71
  5. Step 5: Solve for x
    x = 46,750,242,913.71/237,938.13
  6. Step 6: Final answer
    x = 196,480.67

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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.