Home / 109,602.74-151,196.04-66,570.80

Finding the Fourth Proportional to 109,602.74, 151,196.04 and 66,570.80

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Solution

The fourth proportional to 109,602.74, 151,196.04 and 66,570.80 is: 91,833.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,602.74 : 151,196.04 = 66,570.80 : x
  2. Step 2: Convert to fraction form
    109,602.74/151,196.04 = 66,570.80/x
  3. Step 3: Cross multiply
    109,602.74x = 151,196.04 × 66,570.80
  4. Step 4: Simplify right side
    109,602.74x = 10,065,241,339.63
  5. Step 5: Solve for x
    x = 10,065,241,339.63/109,602.74
  6. Step 6: Final answer
    x = 91,833.85

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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.