Home / 314,332.20-433,838.25-178,378.79

Finding the Fourth Proportional to 314,332.20, 433,838.25 and 178,378.79

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Solution

The fourth proportional to 314,332.20, 433,838.25 and 178,378.79 is: 246,196.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,332.20 : 433,838.25 = 178,378.79 : x
  2. Step 2: Convert to fraction form
    314,332.20/433,838.25 = 178,378.79/x
  3. Step 3: Cross multiply
    314,332.20x = 433,838.25 × 178,378.79
  4. Step 4: Simplify right side
    314,332.20x = 77,387,539,921.53
  5. Step 5: Solve for x
    x = 77,387,539,921.53/314,332.20
  6. Step 6: Final answer
    x = 246,196.67

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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.