Home / 295,931.36-443,918.64-85,570.40

Finding the Fourth Proportional to 295,931.36, 443,918.64 and 85,570.40

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Solution

The fourth proportional to 295,931.36, 443,918.64 and 85,570.40 is: 128,361.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,931.36 : 443,918.64 = 85,570.40 : x
  2. Step 2: Convert to fraction form
    295,931.36/443,918.64 = 85,570.40/x
  3. Step 3: Cross multiply
    295,931.36x = 443,918.64 × 85,570.40
  4. Step 4: Simplify right side
    295,931.36x = 37,986,295,592.26
  5. Step 5: Solve for x
    x = 37,986,295,592.26/295,931.36
  6. Step 6: Final answer
    x = 128,361.85

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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.