Home / 118,553.32-163,603.70-64,838.17

Finding the Fourth Proportional to 118,553.32, 163,603.70 and 64,838.17

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Solution

The fourth proportional to 118,553.32, 163,603.70 and 64,838.17 is: 89,476.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,553.32 : 163,603.70 = 64,838.17 : x
  2. Step 2: Convert to fraction form
    118,553.32/163,603.70 = 64,838.17/x
  3. Step 3: Cross multiply
    118,553.32x = 163,603.70 × 64,838.17
  4. Step 4: Simplify right side
    118,553.32x = 10,607,764,513.23
  5. Step 5: Solve for x
    x = 10,607,764,513.23/118,553.32
  6. Step 6: Final answer
    x = 89,476.74

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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.