Home / 156,781.71-235,011.65-61,973.37

Finding the Fourth Proportional to 156,781.71, 235,011.65 and 61,973.37

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Solution

The fourth proportional to 156,781.71, 235,011.65 and 61,973.37 is: 92,896.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,781.71 : 235,011.65 = 61,973.37 : x
  2. Step 2: Convert to fraction form
    156,781.71/235,011.65 = 61,973.37/x
  3. Step 3: Cross multiply
    156,781.71x = 235,011.65 × 61,973.37
  4. Step 4: Simplify right side
    156,781.71x = 14,564,463,629.89
  5. Step 5: Solve for x
    x = 14,564,463,629.89/156,781.71
  6. Step 6: Final answer
    x = 92,896.45

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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.