Home / 118,328.38-163,307.44-67,353.46

Finding the Fourth Proportional to 118,328.38, 163,307.44 and 67,353.46

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Solution

The fourth proportional to 118,328.38, 163,307.44 and 67,353.46 is: 92,955.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,328.38 : 163,307.44 = 67,353.46 : x
  2. Step 2: Convert to fraction form
    118,328.38/163,307.44 = 67,353.46/x
  3. Step 3: Cross multiply
    118,328.38x = 163,307.44 × 67,353.46
  4. Step 4: Simplify right side
    118,328.38x = 10,999,320,803.67
  5. Step 5: Solve for x
    x = 10,999,320,803.67/118,328.38
  6. Step 6: Final answer
    x = 92,955.90

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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.