Home / 134,253.36-185,255.28-77,654.16

Finding the Fourth Proportional to 134,253.36, 185,255.28 and 77,654.16

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Solution

The fourth proportional to 134,253.36, 185,255.28 and 77,654.16 is: 107,154.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,253.36 : 185,255.28 = 77,654.16 : x
  2. Step 2: Convert to fraction form
    134,253.36/185,255.28 = 77,654.16/x
  3. Step 3: Cross multiply
    134,253.36x = 185,255.28 × 77,654.16
  4. Step 4: Simplify right side
    134,253.36x = 14,385,843,153.96
  5. Step 5: Solve for x
    x = 14,385,843,153.96/134,253.36
  6. Step 6: Final answer
    x = 107,154.44

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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.