Home / 156,857.40-235,199.70-51,622.20

Finding the Fourth Proportional to 156,857.40, 235,199.70 and 51,622.20

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Solution

The fourth proportional to 156,857.40, 235,199.70 and 51,622.20 is: 77,404.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,857.40 : 235,199.70 = 51,622.20 : x
  2. Step 2: Convert to fraction form
    156,857.40/235,199.70 = 51,622.20/x
  3. Step 3: Cross multiply
    156,857.40x = 235,199.70 × 51,622.20
  4. Step 4: Simplify right side
    156,857.40x = 12,141,525,953.34
  5. Step 5: Solve for x
    x = 12,141,525,953.34/156,857.40
  6. Step 6: Final answer
    x = 77,404.87

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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.