Home / 121,656.63-182,370.12-58,512.47

Finding the Fourth Proportional to 121,656.63, 182,370.12 and 58,512.47

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Solution

The fourth proportional to 121,656.63, 182,370.12 and 58,512.47 is: 87,713.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,656.63 : 182,370.12 = 58,512.47 : x
  2. Step 2: Convert to fraction form
    121,656.63/182,370.12 = 58,512.47/x
  3. Step 3: Cross multiply
    121,656.63x = 182,370.12 × 58,512.47
  4. Step 4: Simplify right side
    121,656.63x = 10,670,925,263.55
  5. Step 5: Solve for x
    x = 10,670,925,263.55/121,656.63
  6. Step 6: Final answer
    x = 87,713.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.