Home / 318,330.90-439,307.37-175,102.02

Finding the Fourth Proportional to 318,330.90, 439,307.37 and 175,102.02

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Solution

The fourth proportional to 318,330.90, 439,307.37 and 175,102.02 is: 241,646.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,330.90 : 439,307.37 = 175,102.02 : x
  2. Step 2: Convert to fraction form
    318,330.90/439,307.37 = 175,102.02/x
  3. Step 3: Cross multiply
    318,330.90x = 439,307.37 × 175,102.02
  4. Step 4: Simplify right side
    318,330.90x = 76,923,607,887.89
  5. Step 5: Solve for x
    x = 76,923,607,887.89/318,330.90
  6. Step 6: Final answer
    x = 241,646.69

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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.