Home / 292,685.11-403,904.55-165,360.67

Finding the Fourth Proportional to 292,685.11, 403,904.55 and 165,360.67

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Solution

The fourth proportional to 292,685.11, 403,904.55 and 165,360.67 is: 228,197.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,685.11 : 403,904.55 = 165,360.67 : x
  2. Step 2: Convert to fraction form
    292,685.11/403,904.55 = 165,360.67/x
  3. Step 3: Cross multiply
    292,685.11x = 403,904.55 × 165,360.67
  4. Step 4: Simplify right side
    292,685.11x = 66,789,927,004.05
  5. Step 5: Solve for x
    x = 66,789,927,004.05/292,685.11
  6. Step 6: Final answer
    x = 228,197.22

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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.