Home / 118,553.07-163,603.35-64,837.92

Finding the Fourth Proportional to 118,553.07, 163,603.35 and 64,837.92

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Solution

The fourth proportional to 118,553.07, 163,603.35 and 64,837.92 is: 89,476.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,553.07 : 163,603.35 = 64,837.92 : x
  2. Step 2: Convert to fraction form
    118,553.07/163,603.35 = 64,837.92/x
  3. Step 3: Cross multiply
    118,553.07x = 163,603.35 × 64,837.92
  4. Step 4: Simplify right side
    118,553.07x = 10,607,700,919.03
  5. Step 5: Solve for x
    x = 10,607,700,919.03/118,553.07
  6. Step 6: Final answer
    x = 89,476.39

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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.