Home / 346,920.48-478,738.08-196,014.24

Finding the Fourth Proportional to 346,920.48, 478,738.08 and 196,014.24

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Solution

The fourth proportional to 346,920.48, 478,738.08 and 196,014.24 is: 270,492.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,920.48 : 478,738.08 = 196,014.24 : x
  2. Step 2: Convert to fraction form
    346,920.48/478,738.08 = 196,014.24/x
  3. Step 3: Cross multiply
    346,920.48x = 478,738.08 × 196,014.24
  4. Step 4: Simplify right side
    346,920.48x = 93,839,480,910.26
  5. Step 5: Solve for x
    x = 93,839,480,910.26/346,920.48
  6. Step 6: Final answer
    x = 270,492.77

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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.