Home / 186,225.72-256,997.32-105,656.64

Finding the Fourth Proportional to 186,225.72, 256,997.32 and 105,656.64

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Solution

The fourth proportional to 186,225.72, 256,997.32 and 105,656.64 is: 145,809.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,225.72 : 256,997.32 = 105,656.64 : x
  2. Step 2: Convert to fraction form
    186,225.72/256,997.32 = 105,656.64/x
  3. Step 3: Cross multiply
    186,225.72x = 256,997.32 × 105,656.64
  4. Step 4: Simplify right side
    186,225.72x = 27,153,473,320.20
  5. Step 5: Solve for x
    x = 27,153,473,320.20/186,225.72
  6. Step 6: Final answer
    x = 145,809.47

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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.