Home / 136,412.64-204,646.80-57,526.72

Finding the Fourth Proportional to 136,412.64, 204,646.80 and 57,526.72

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Solution

The fourth proportional to 136,412.64, 204,646.80 and 57,526.72 is: 86,301.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,412.64 : 204,646.80 = 57,526.72 : x
  2. Step 2: Convert to fraction form
    136,412.64/204,646.80 = 57,526.72/x
  3. Step 3: Cross multiply
    136,412.64x = 204,646.80 × 57,526.72
  4. Step 4: Simplify right side
    136,412.64x = 11,772,659,162.50
  5. Step 5: Solve for x
    x = 11,772,659,162.50/136,412.64
  6. Step 6: Final answer
    x = 86,301.82

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.