Home / 156,359.12-234,536.45-38,030.67

Finding the Fourth Proportional to 156,359.12, 234,536.45 and 38,030.67

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Solution

The fourth proportional to 156,359.12, 234,536.45 and 38,030.67 is: 57,045.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,359.12 : 234,536.45 = 38,030.67 : x
  2. Step 2: Convert to fraction form
    156,359.12/234,536.45 = 38,030.67/x
  3. Step 3: Cross multiply
    156,359.12x = 234,536.45 × 38,030.67
  4. Step 4: Simplify right side
    156,359.12x = 8,919,578,142.77
  5. Step 5: Solve for x
    x = 8,919,578,142.77/156,359.12
  6. Step 6: Final answer
    x = 57,045.46

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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.