Home / 156,720.15-235,118.03-51,533.55

Finding the Fourth Proportional to 156,720.15, 235,118.03 and 51,533.55

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Solution

The fourth proportional to 156,720.15, 235,118.03 and 51,533.55 is: 77,312.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,720.15 : 235,118.03 = 51,533.55 : x
  2. Step 2: Convert to fraction form
    156,720.15/235,118.03 = 51,533.55/x
  3. Step 3: Cross multiply
    156,720.15x = 235,118.03 × 51,533.55
  4. Step 4: Simplify right side
    156,720.15x = 12,116,466,497.24
  5. Step 5: Solve for x
    x = 12,116,466,497.24/156,720.15
  6. Step 6: Final answer
    x = 77,312.75

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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.