Home / 320,492.10-442,265.76-175,295.55

Finding the Fourth Proportional to 320,492.10, 442,265.76 and 175,295.55

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Solution

The fourth proportional to 320,492.10, 442,265.76 and 175,295.55 is: 241,900.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,492.10 : 442,265.76 = 175,295.55 : x
  2. Step 2: Convert to fraction form
    320,492.10/442,265.76 = 175,295.55/x
  3. Step 3: Cross multiply
    320,492.10x = 442,265.76 × 175,295.55
  4. Step 4: Simplify right side
    320,492.10x = 77,527,219,645.37
  5. Step 5: Solve for x
    x = 77,527,219,645.37/320,492.10
  6. Step 6: Final answer
    x = 241,900.56

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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.