Home / 118,567.40-163,651.86-99,416.57

Finding the Fourth Proportional to 118,567.40, 163,651.86 and 99,416.57

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Solution

The fourth proportional to 118,567.40, 163,651.86 and 99,416.57 is: 137,219.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,567.40 : 163,651.86 = 99,416.57 : x
  2. Step 2: Convert to fraction form
    118,567.40/163,651.86 = 99,416.57/x
  3. Step 3: Cross multiply
    118,567.40x = 163,651.86 × 99,416.57
  4. Step 4: Simplify right side
    118,567.40x = 16,269,705,777.06
  5. Step 5: Solve for x
    x = 16,269,705,777.06/118,567.40
  6. Step 6: Final answer
    x = 137,219.05

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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.