Home / 291,189.24-401,810.22-163,862.76

Finding the Fourth Proportional to 291,189.24, 401,810.22 and 163,862.76

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Solution

The fourth proportional to 291,189.24, 401,810.22 and 163,862.76 is: 226,113.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,189.24 : 401,810.22 = 163,862.76 : x
  2. Step 2: Convert to fraction form
    291,189.24/401,810.22 = 163,862.76/x
  3. Step 3: Cross multiply
    291,189.24x = 401,810.22 × 163,862.76
  4. Step 4: Simplify right side
    291,189.24x = 65,841,731,645.41
  5. Step 5: Solve for x
    x = 65,841,731,645.41/291,189.24
  6. Step 6: Final answer
    x = 226,113.20

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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.