Home / 185,763.45-256,432.04-125,415.84

Finding the Fourth Proportional to 185,763.45, 256,432.04 and 125,415.84

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Solution

The fourth proportional to 185,763.45, 256,432.04 and 125,415.84 is: 173,126.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,763.45 : 256,432.04 = 125,415.84 : x
  2. Step 2: Convert to fraction form
    185,763.45/256,432.04 = 125,415.84/x
  3. Step 3: Cross multiply
    185,763.45x = 256,432.04 × 125,415.84
  4. Step 4: Simplify right side
    185,763.45x = 32,160,639,699.51
  5. Step 5: Solve for x
    x = 32,160,639,699.51/185,763.45
  6. Step 6: Final answer
    x = 173,126.84

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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.