Home / 318,351.73-439,316.13-175,111.74

Finding the Fourth Proportional to 318,351.73, 439,316.13 and 175,111.74

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Solution

The fourth proportional to 318,351.73, 439,316.13 and 175,111.74 is: 241,649.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,351.73 : 439,316.13 = 175,111.74 : x
  2. Step 2: Convert to fraction form
    318,351.73/439,316.13 = 175,111.74/x
  3. Step 3: Cross multiply
    318,351.73x = 439,316.13 × 175,111.74
  4. Step 4: Simplify right side
    318,351.73x = 76,929,411,934.37
  5. Step 5: Solve for x
    x = 76,929,411,934.37/318,351.73
  6. Step 6: Final answer
    x = 241,649.11

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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.