Home / 156,881.68-235,320.45-38,554.06

Finding the Fourth Proportional to 156,881.68, 235,320.45 and 38,554.06

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Solution

The fourth proportional to 156,881.68, 235,320.45 and 38,554.06 is: 57,830.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,881.68 : 235,320.45 = 38,554.06 : x
  2. Step 2: Convert to fraction form
    156,881.68/235,320.45 = 38,554.06/x
  3. Step 3: Cross multiply
    156,881.68x = 235,320.45 × 38,554.06
  4. Step 4: Simplify right side
    156,881.68x = 9,072,558,748.53
  5. Step 5: Solve for x
    x = 9,072,558,748.53/156,881.68
  6. Step 6: Final answer
    x = 57,830.58

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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.