Home / 156,359.09-234,538.63-38,030.51

Finding the Fourth Proportional to 156,359.09, 234,538.63 and 38,030.51

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Solution

The fourth proportional to 156,359.09, 234,538.63 and 38,030.51 is: 57,045.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,359.09 : 234,538.63 = 38,030.51 : x
  2. Step 2: Convert to fraction form
    156,359.09/234,538.63 = 38,030.51/x
  3. Step 3: Cross multiply
    156,359.09x = 234,538.63 × 38,030.51
  4. Step 4: Simplify right side
    156,359.09x = 8,919,622,445.83
  5. Step 5: Solve for x
    x = 8,919,622,445.83/156,359.09
  6. Step 6: Final answer
    x = 57,045.76

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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.