Home / 318,326.01-439,298.20-175,089.81

Finding the Fourth Proportional to 318,326.01, 439,298.20 and 175,089.81

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Solution

The fourth proportional to 318,326.01, 439,298.20 and 175,089.81 is: 241,628.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,326.01 : 439,298.20 = 175,089.81 : x
  2. Step 2: Convert to fraction form
    318,326.01/439,298.20 = 175,089.81/x
  3. Step 3: Cross multiply
    318,326.01x = 439,298.20 × 175,089.81
  4. Step 4: Simplify right side
    318,326.01x = 76,916,638,371.34
  5. Step 5: Solve for x
    x = 76,916,638,371.34/318,326.01
  6. Step 6: Final answer
    x = 241,628.51

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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.