Home / 109,549.14-151,177.80-61,801.48

Finding the Fourth Proportional to 109,549.14, 151,177.80 and 61,801.48

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Solution

The fourth proportional to 109,549.14, 151,177.80 and 61,801.48 is: 85,286.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,549.14 : 151,177.80 = 61,801.48 : x
  2. Step 2: Convert to fraction form
    109,549.14/151,177.80 = 61,801.48/x
  3. Step 3: Cross multiply
    109,549.14x = 151,177.80 × 61,801.48
  4. Step 4: Simplify right side
    109,549.14x = 9,343,011,783.14
  5. Step 5: Solve for x
    x = 9,343,011,783.14/109,549.14
  6. Step 6: Final answer
    x = 85,286.03

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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.