Home / 156,934.83-235,432.56-66,976.23

Finding the Fourth Proportional to 156,934.83, 235,432.56 and 66,976.23

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Solution

The fourth proportional to 156,934.83, 235,432.56 and 66,976.23 is: 100,477.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,934.83 : 235,432.56 = 66,976.23 : x
  2. Step 2: Convert to fraction form
    156,934.83/235,432.56 = 66,976.23/x
  3. Step 3: Cross multiply
    156,934.83x = 235,432.56 × 66,976.23
  4. Step 4: Simplify right side
    156,934.83x = 15,768,386,045.34
  5. Step 5: Solve for x
    x = 15,768,386,045.34/156,934.83
  6. Step 6: Final answer
    x = 100,477.29

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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.