Home / 124,043.64-171,196.57-120,666.08

Finding the Fourth Proportional to 124,043.64, 171,196.57 and 120,666.08

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Solution

The fourth proportional to 124,043.64, 171,196.57 and 120,666.08 is: 166,535.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,043.64 : 171,196.57 = 120,666.08 : x
  2. Step 2: Convert to fraction form
    124,043.64/171,196.57 = 120,666.08/x
  3. Step 3: Cross multiply
    124,043.64x = 171,196.57 × 120,666.08
  4. Step 4: Simplify right side
    124,043.64x = 20,657,619,011.35
  5. Step 5: Solve for x
    x = 20,657,619,011.35/124,043.64
  6. Step 6: Final answer
    x = 166,535.09

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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.