Home / 118,526.64-163,560.08-64,801.68

Finding the Fourth Proportional to 118,526.64, 163,560.08 and 64,801.68

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Solution

The fourth proportional to 118,526.64, 163,560.08 and 64,801.68 is: 89,422.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,526.64 : 163,560.08 = 64,801.68 : x
  2. Step 2: Convert to fraction form
    118,526.64/163,560.08 = 64,801.68/x
  3. Step 3: Cross multiply
    118,526.64x = 163,560.08 × 64,801.68
  4. Step 4: Simplify right side
    118,526.64x = 10,598,967,964.93
  5. Step 5: Solve for x
    x = 10,598,967,964.93/118,526.64
  6. Step 6: Final answer
    x = 89,422.66

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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.