Home / 318,346.64-439,309.19-175,106.67

Finding the Fourth Proportional to 318,346.64, 439,309.19 and 175,106.67

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Solution

The fourth proportional to 318,346.64, 439,309.19 and 175,106.67 is: 241,642.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,346.64 : 439,309.19 = 175,106.67 : x
  2. Step 2: Convert to fraction form
    318,346.64/439,309.19 = 175,106.67/x
  3. Step 3: Cross multiply
    318,346.64x = 439,309.19 × 175,106.67
  4. Step 4: Simplify right side
    318,346.64x = 76,925,969,361.30
  5. Step 5: Solve for x
    x = 76,925,969,361.30/318,346.64
  6. Step 6: Final answer
    x = 241,642.16

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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.