Home / 218,569.08-301,646.96-127,919.64

Finding the Fourth Proportional to 218,569.08, 301,646.96 and 127,919.64

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Solution

The fourth proportional to 218,569.08, 301,646.96 and 127,919.64 is: 176,541.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,569.08 : 301,646.96 = 127,919.64 : x
  2. Step 2: Convert to fraction form
    218,569.08/301,646.96 = 127,919.64/x
  3. Step 3: Cross multiply
    218,569.08x = 301,646.96 × 127,919.64
  4. Step 4: Simplify right side
    218,569.08x = 38,586,570,530.29
  5. Step 5: Solve for x
    x = 38,586,570,530.29/218,569.08
  6. Step 6: Final answer
    x = 176,541.76

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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.