Home / 118,925.45-164,117.16-65,209.35

Finding the Fourth Proportional to 118,925.45, 164,117.16 and 65,209.35

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Solution

The fourth proportional to 118,925.45, 164,117.16 and 65,209.35 is: 89,988.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,925.45 : 164,117.16 = 65,209.35 : x
  2. Step 2: Convert to fraction form
    118,925.45/164,117.16 = 65,209.35/x
  3. Step 3: Cross multiply
    118,925.45x = 164,117.16 × 65,209.35
  4. Step 4: Simplify right side
    118,925.45x = 10,701,973,327.45
  5. Step 5: Solve for x
    x = 10,701,973,327.45/118,925.45
  6. Step 6: Final answer
    x = 89,988.93

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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.