Home / 157,305.12-235,955.16-57,464.88

Finding the Fourth Proportional to 157,305.12, 235,955.16 and 57,464.88

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Solution

The fourth proportional to 157,305.12, 235,955.16 and 57,464.88 is: 86,196.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,305.12 : 235,955.16 = 57,464.88 : x
  2. Step 2: Convert to fraction form
    157,305.12/235,955.16 = 57,464.88/x
  3. Step 3: Cross multiply
    157,305.12x = 235,955.16 × 57,464.88
  4. Step 4: Simplify right side
    157,305.12x = 13,559,134,954.78
  5. Step 5: Solve for x
    x = 13,559,134,954.78/157,305.12
  6. Step 6: Final answer
    x = 86,196.40

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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.