Home / 118,307.90-163,262.52-64,593.36

Finding the Fourth Proportional to 118,307.90, 163,262.52 and 64,593.36

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Solution

The fourth proportional to 118,307.90, 163,262.52 and 64,593.36 is: 89,137.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,307.90 : 163,262.52 = 64,593.36 : x
  2. Step 2: Convert to fraction form
    118,307.90/163,262.52 = 64,593.36/x
  3. Step 3: Cross multiply
    118,307.90x = 163,262.52 × 64,593.36
  4. Step 4: Simplify right side
    118,307.90x = 10,545,674,728.87
  5. Step 5: Solve for x
    x = 10,545,674,728.87/118,307.90
  6. Step 6: Final answer
    x = 89,137.54

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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.