Home / 185,842.08-256,477.68-105,295.20

Finding the Fourth Proportional to 185,842.08, 256,477.68 and 105,295.20

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Solution

The fourth proportional to 185,842.08, 256,477.68 and 105,295.20 is: 145,316.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,842.08 : 256,477.68 = 105,295.20 : x
  2. Step 2: Convert to fraction form
    185,842.08/256,477.68 = 105,295.20/x
  3. Step 3: Cross multiply
    185,842.08x = 256,477.68 × 105,295.20
  4. Step 4: Simplify right side
    185,842.08x = 27,005,868,611.14
  5. Step 5: Solve for x
    x = 27,005,868,611.14/185,842.08
  6. Step 6: Final answer
    x = 145,316.22

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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.