Home / 314,748.28-472,121.82-98,623.55

Finding the Fourth Proportional to 314,748.28, 472,121.82 and 98,623.55

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Solution

The fourth proportional to 314,748.28, 472,121.82 and 98,623.55 is: 147,935.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,748.28 : 472,121.82 = 98,623.55 : x
  2. Step 2: Convert to fraction form
    314,748.28/472,121.82 = 98,623.55/x
  3. Step 3: Cross multiply
    314,748.28x = 472,121.82 × 98,623.55
  4. Step 4: Simplify right side
    314,748.28x = 46,562,329,920.86
  5. Step 5: Solve for x
    x = 46,562,329,920.86/314,748.28
  6. Step 6: Final answer
    x = 147,935.14

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.