Home / 118,607.07-163,655.19-67,617.57

Finding the Fourth Proportional to 118,607.07, 163,655.19 and 67,617.57

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Solution

The fourth proportional to 118,607.07, 163,655.19 and 67,617.57 is: 93,299.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,607.07 : 163,655.19 = 67,617.57 : x
  2. Step 2: Convert to fraction form
    118,607.07/163,655.19 = 67,617.57/x
  3. Step 3: Cross multiply
    118,607.07x = 163,655.19 × 67,617.57
  4. Step 4: Simplify right side
    118,607.07x = 11,065,966,265.69
  5. Step 5: Solve for x
    x = 11,065,966,265.69/118,607.07
  6. Step 6: Final answer
    x = 93,299.38

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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.