Home / 118,611.96-163,685.16-66,929.52

Finding the Fourth Proportional to 118,611.96, 163,685.16 and 66,929.52

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Solution

The fourth proportional to 118,611.96, 163,685.16 and 66,929.52 is: 92,363.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,611.96 : 163,685.16 = 66,929.52 : x
  2. Step 2: Convert to fraction form
    118,611.96/163,685.16 = 66,929.52/x
  3. Step 3: Cross multiply
    118,611.96x = 163,685.16 × 66,929.52
  4. Step 4: Simplify right side
    118,611.96x = 10,955,369,189.92
  5. Step 5: Solve for x
    x = 10,955,369,189.92/118,611.96
  6. Step 6: Final answer
    x = 92,363.11

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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.