Home / 185,723.95-256,300.00-105,167.17

Finding the Fourth Proportional to 185,723.95, 256,300.00 and 105,167.17

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Solution

The fourth proportional to 185,723.95, 256,300.00 and 105,167.17 is: 145,131.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,723.95 : 256,300.00 = 105,167.17 : x
  2. Step 2: Convert to fraction form
    185,723.95/256,300.00 = 105,167.17/x
  3. Step 3: Cross multiply
    185,723.95x = 256,300.00 × 105,167.17
  4. Step 4: Simplify right side
    185,723.95x = 26,954,346,088.88
  5. Step 5: Solve for x
    x = 26,954,346,088.88/185,723.95
  6. Step 6: Final answer
    x = 145,131.23

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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.