Home / 156,288.81-234,176.91-66,259.58

Finding the Fourth Proportional to 156,288.81, 234,176.91 and 66,259.58

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Solution

The fourth proportional to 156,288.81, 234,176.91 and 66,259.58 is: 99,280.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,288.81 : 234,176.91 = 66,259.58 : x
  2. Step 2: Convert to fraction form
    156,288.81/234,176.91 = 66,259.58/x
  3. Step 3: Cross multiply
    156,288.81x = 234,176.91 × 66,259.58
  4. Step 4: Simplify right side
    156,288.81x = 15,516,463,702.30
  5. Step 5: Solve for x
    x = 15,516,463,702.30/156,288.81
  6. Step 6: Final answer
    x = 99,280.71

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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.