Home / 118,135.18-163,030.49-64,423.14

Finding the Fourth Proportional to 118,135.18, 163,030.49 and 64,423.14

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Solution

The fourth proportional to 118,135.18, 163,030.49 and 64,423.14 is: 88,906.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,135.18 : 163,030.49 = 64,423.14 : x
  2. Step 2: Convert to fraction form
    118,135.18/163,030.49 = 64,423.14/x
  3. Step 3: Cross multiply
    118,135.18x = 163,030.49 × 64,423.14
  4. Step 4: Simplify right side
    118,135.18x = 10,502,934,944.27
  5. Step 5: Solve for x
    x = 10,502,934,944.27/118,135.18
  6. Step 6: Final answer
    x = 88,906.07

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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.