Home / 318,197.14-439,113.66-174,966.40

Finding the Fourth Proportional to 318,197.14, 439,113.66 and 174,966.40

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Solution

The fourth proportional to 318,197.14, 439,113.66 and 174,966.40 is: 241,454.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,197.14 : 439,113.66 = 174,966.40 : x
  2. Step 2: Convert to fraction form
    318,197.14/439,113.66 = 174,966.40/x
  3. Step 3: Cross multiply
    318,197.14x = 439,113.66 × 174,966.40
  4. Step 4: Simplify right side
    318,197.14x = 76,830,136,281.02
  5. Step 5: Solve for x
    x = 76,830,136,281.02/318,197.14
  6. Step 6: Final answer
    x = 241,454.52

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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.