Home / 156,637.76-234,956.63-38,307.69

Finding the Fourth Proportional to 156,637.76, 234,956.63 and 38,307.69

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Solution

The fourth proportional to 156,637.76, 234,956.63 and 38,307.69 is: 57,461.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,637.76 : 234,956.63 = 38,307.69 : x
  2. Step 2: Convert to fraction form
    156,637.76/234,956.63 = 38,307.69/x
  3. Step 3: Cross multiply
    156,637.76x = 234,956.63 × 38,307.69
  4. Step 4: Simplify right side
    156,637.76x = 9,000,645,841.25
  5. Step 5: Solve for x
    x = 9,000,645,841.25/156,637.76
  6. Step 6: Final answer
    x = 57,461.54

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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.