Home / 118,614.07-163,671.28-70,857.28

Finding the Fourth Proportional to 118,614.07, 163,671.28 and 70,857.28

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Solution

The fourth proportional to 118,614.07, 163,671.28 and 70,857.28 is: 97,773.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,614.07 : 163,671.28 = 70,857.28 : x
  2. Step 2: Convert to fraction form
    118,614.07/163,671.28 = 70,857.28/x
  3. Step 3: Cross multiply
    118,614.07x = 163,671.28 × 70,857.28
  4. Step 4: Simplify right side
    118,614.07x = 11,597,302,140.94
  5. Step 5: Solve for x
    x = 11,597,302,140.94/118,614.07
  6. Step 6: Final answer
    x = 97,773.41

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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.