Home / 118,853.25-163,988.12-70,466.53

Finding the Fourth Proportional to 118,853.25, 163,988.12 and 70,466.53

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Solution

The fourth proportional to 118,853.25, 163,988.12 and 70,466.53 is: 97,226.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,853.25 : 163,988.12 = 70,466.53 : x
  2. Step 2: Convert to fraction form
    118,853.25/163,988.12 = 70,466.53/x
  3. Step 3: Cross multiply
    118,853.25x = 163,988.12 × 70,466.53
  4. Step 4: Simplify right side
    118,853.25x = 11,555,673,543.82
  5. Step 5: Solve for x
    x = 11,555,673,543.82/118,853.25
  6. Step 6: Final answer
    x = 97,226.40

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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.