Home / 118,270.74-163,206.66-64,544.94

Finding the Fourth Proportional to 118,270.74, 163,206.66 and 64,544.94

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Solution

The fourth proportional to 118,270.74, 163,206.66 and 64,544.94 is: 89,068.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,270.74 : 163,206.66 = 64,544.94 : x
  2. Step 2: Convert to fraction form
    118,270.74/163,206.66 = 64,544.94/x
  3. Step 3: Cross multiply
    118,270.74x = 163,206.66 × 64,544.94
  4. Step 4: Simplify right side
    118,270.74x = 10,534,164,077.30
  5. Step 5: Solve for x
    x = 10,534,164,077.30/118,270.74
  6. Step 6: Final answer
    x = 89,068.22

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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.