Home / 156,407.17-234,448.21-66,507.56

Finding the Fourth Proportional to 156,407.17, 234,448.21 and 66,507.56

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Solution

The fourth proportional to 156,407.17, 234,448.21 and 66,507.56 is: 99,692.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,407.17 : 234,448.21 = 66,507.56 : x
  2. Step 2: Convert to fraction form
    156,407.17/234,448.21 = 66,507.56/x
  3. Step 3: Cross multiply
    156,407.17x = 234,448.21 × 66,507.56
  4. Step 4: Simplify right side
    156,407.17x = 15,592,579,128.21
  5. Step 5: Solve for x
    x = 15,592,579,128.21/156,407.17
  6. Step 6: Final answer
    x = 99,692.23

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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.