Home / 156,540.48-234,701.28-49,888.68

Finding the Fourth Proportional to 156,540.48, 234,701.28 and 49,888.68

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Solution

The fourth proportional to 156,540.48, 234,701.28 and 49,888.68 is: 74,798.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,540.48 : 234,701.28 = 49,888.68 : x
  2. Step 2: Convert to fraction form
    156,540.48/234,701.28 = 49,888.68/x
  3. Step 3: Cross multiply
    156,540.48x = 234,701.28 × 49,888.68
  4. Step 4: Simplify right side
    156,540.48x = 11,708,937,053.51
  5. Step 5: Solve for x
    x = 11,708,937,053.51/156,540.48
  6. Step 6: Final answer
    x = 74,798.14

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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.