Home / 156,915.01-236,226.32-142,964.65

Finding the Fourth Proportional to 156,915.01, 236,226.32 and 142,964.65

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Solution

The fourth proportional to 156,915.01, 236,226.32 and 142,964.65 is: 215,224.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,915.01 : 236,226.32 = 142,964.65 : x
  2. Step 2: Convert to fraction form
    156,915.01/236,226.32 = 142,964.65/x
  3. Step 3: Cross multiply
    156,915.01x = 236,226.32 × 142,964.65
  4. Step 4: Simplify right side
    156,915.01x = 33,772,013,159.59
  5. Step 5: Solve for x
    x = 33,772,013,159.59/156,915.01
  6. Step 6: Final answer
    x = 215,224.87

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.