Home / 117,441.16-162,001.02-74,951.80

Finding the Fourth Proportional to 117,441.16, 162,001.02 and 74,951.80

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Solution

The fourth proportional to 117,441.16, 162,001.02 and 74,951.80 is: 103,390.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,441.16 : 162,001.02 = 74,951.80 : x
  2. Step 2: Convert to fraction form
    117,441.16/162,001.02 = 74,951.80/x
  3. Step 3: Cross multiply
    117,441.16x = 162,001.02 × 74,951.80
  4. Step 4: Simplify right side
    117,441.16x = 12,142,268,050.84
  5. Step 5: Solve for x
    x = 12,142,268,050.84/117,441.16
  6. Step 6: Final answer
    x = 103,390.23

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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.