Home / 116,681.40-160,953.24-73,645.60

Finding the Fourth Proportional to 116,681.40, 160,953.24 and 73,645.60

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Solution

The fourth proportional to 116,681.40, 160,953.24 and 73,645.60 is: 101,588.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,681.40 : 160,953.24 = 73,645.60 : x
  2. Step 2: Convert to fraction form
    116,681.40/160,953.24 = 73,645.60/x
  3. Step 3: Cross multiply
    116,681.40x = 160,953.24 × 73,645.60
  4. Step 4: Simplify right side
    116,681.40x = 11,853,497,931.74
  5. Step 5: Solve for x
    x = 11,853,497,931.74/116,681.40
  6. Step 6: Final answer
    x = 101,588.58

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.