Home / 185,666.72-256,201.36-105,080.24

Finding the Fourth Proportional to 185,666.72, 256,201.36 and 105,080.24

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Solution

The fourth proportional to 185,666.72, 256,201.36 and 105,080.24 is: 145,000.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,666.72 : 256,201.36 = 105,080.24 : x
  2. Step 2: Convert to fraction form
    185,666.72/256,201.36 = 105,080.24/x
  3. Step 3: Cross multiply
    185,666.72x = 256,201.36 × 105,080.24
  4. Step 4: Simplify right side
    185,666.72x = 26,921,700,397.13
  5. Step 5: Solve for x
    x = 26,921,700,397.13/185,666.72
  6. Step 6: Final answer
    x = 145,000.14

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.