Home / 157,065.29-235,624.40-72,791.27

Finding the Fourth Proportional to 157,065.29, 235,624.40 and 72,791.27

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Solution

The fourth proportional to 157,065.29, 235,624.40 and 72,791.27 is: 109,199.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,065.29 : 235,624.40 = 72,791.27 : x
  2. Step 2: Convert to fraction form
    157,065.29/235,624.40 = 72,791.27/x
  3. Step 3: Cross multiply
    157,065.29x = 235,624.40 × 72,791.27
  4. Step 4: Simplify right side
    157,065.29x = 17,151,400,090.03
  5. Step 5: Solve for x
    x = 17,151,400,090.03/157,065.29
  6. Step 6: Final answer
    x = 109,199.17

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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.