Home / 157,533.60-217,417.44-100,178.52

Finding the Fourth Proportional to 157,533.60, 217,417.44 and 100,178.52

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Solution

The fourth proportional to 157,533.60, 217,417.44 and 100,178.52 is: 138,259.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,533.60 : 217,417.44 = 100,178.52 : x
  2. Step 2: Convert to fraction form
    157,533.60/217,417.44 = 100,178.52/x
  3. Step 3: Cross multiply
    157,533.60x = 217,417.44 × 100,178.52
  4. Step 4: Simplify right side
    157,533.60x = 21,780,557,361.39
  5. Step 5: Solve for x
    x = 21,780,557,361.39/157,533.60
  6. Step 6: Final answer
    x = 138,259.76

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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.