Home / 109,523.90-151,114.25-64,177.53

Finding the Fourth Proportional to 109,523.90, 151,114.25 and 64,177.53

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Solution

The fourth proportional to 109,523.90, 151,114.25 and 64,177.53 is: 88,548.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,523.90 : 151,114.25 = 64,177.53 : x
  2. Step 2: Convert to fraction form
    109,523.90/151,114.25 = 64,177.53/x
  3. Step 3: Cross multiply
    109,523.90x = 151,114.25 × 64,177.53
  4. Step 4: Simplify right side
    109,523.90x = 9,698,139,473.25
  5. Step 5: Solve for x
    x = 9,698,139,473.25/109,523.90
  6. Step 6: Final answer
    x = 88,548.16

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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.