Home / 156,709.17-235,066.59-38,381.40

Finding the Fourth Proportional to 156,709.17, 235,066.59 and 38,381.40

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Solution

The fourth proportional to 156,709.17, 235,066.59 and 38,381.40 is: 57,572.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,709.17 : 235,066.59 = 38,381.40 : x
  2. Step 2: Convert to fraction form
    156,709.17/235,066.59 = 38,381.40/x
  3. Step 3: Cross multiply
    156,709.17x = 235,066.59 × 38,381.40
  4. Step 4: Simplify right side
    156,709.17x = 9,022,184,817.43
  5. Step 5: Solve for x
    x = 9,022,184,817.43/156,709.17
  6. Step 6: Final answer
    x = 57,572.79

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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.