Home / 118,426.64-163,425.92-64,711.76

Finding the Fourth Proportional to 118,426.64, 163,425.92 and 64,711.76

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Solution

The fourth proportional to 118,426.64, 163,425.92 and 64,711.76 is: 89,300.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,426.64 : 163,425.92 = 64,711.76 : x
  2. Step 2: Convert to fraction form
    118,426.64/163,425.92 = 64,711.76/x
  3. Step 3: Cross multiply
    118,426.64x = 163,425.92 × 64,711.76
  4. Step 4: Simplify right side
    118,426.64x = 10,575,578,912.82
  5. Step 5: Solve for x
    x = 10,575,578,912.82/118,426.64
  6. Step 6: Final answer
    x = 89,300.68

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1.5x scale

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.