Home / 318,196.14-439,112.28-174,965.40

Finding the Fourth Proportional to 318,196.14, 439,112.28 and 174,965.40

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Solution

The fourth proportional to 318,196.14, 439,112.28 and 174,965.40 is: 241,453.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,196.14 : 439,112.28 = 174,965.40 : x
  2. Step 2: Convert to fraction form
    318,196.14/439,112.28 = 174,965.40/x
  3. Step 3: Cross multiply
    318,196.14x = 439,112.28 × 174,965.40
  4. Step 4: Simplify right side
    318,196.14x = 76,829,455,715.11
  5. Step 5: Solve for x
    x = 76,829,455,715.11/318,196.14
  6. Step 6: Final answer
    x = 241,453.14

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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.