Home / 118,631.46-163,711.39-64,916.46

Finding the Fourth Proportional to 118,631.46, 163,711.39 and 64,916.46

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Solution

The fourth proportional to 118,631.46, 163,711.39 and 64,916.46 is: 89,584.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,631.46 : 163,711.39 = 64,916.46 : x
  2. Step 2: Convert to fraction form
    118,631.46/163,711.39 = 64,916.46/x
  3. Step 3: Cross multiply
    118,631.46x = 163,711.39 × 64,916.46
  4. Step 4: Simplify right side
    118,631.46x = 10,627,563,900.48
  5. Step 5: Solve for x
    x = 10,627,563,900.48/118,631.46
  6. Step 6: Final answer
    x = 89,584.70

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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.