Home / 185,925.07-256,566.77-105,353.56

Finding the Fourth Proportional to 185,925.07, 256,566.77 and 105,353.56

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Solution

The fourth proportional to 185,925.07, 256,566.77 and 105,353.56 is: 145,382.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,925.07 : 256,566.77 = 105,353.56 : x
  2. Step 2: Convert to fraction form
    185,925.07/256,566.77 = 105,353.56/x
  3. Step 3: Cross multiply
    185,925.07x = 256,566.77 × 105,353.56
  4. Step 4: Simplify right side
    185,925.07x = 27,030,221,314.37
  5. Step 5: Solve for x
    x = 27,030,221,314.37/185,925.07
  6. Step 6: Final answer
    x = 145,382.34

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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.