Home / 118,317.01-163,276.23-64,601.86

Finding the Fourth Proportional to 118,317.01, 163,276.23 and 64,601.86

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Solution

The fourth proportional to 118,317.01, 163,276.23 and 64,601.86 is: 89,149.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,317.01 : 163,276.23 = 64,601.86 : x
  2. Step 2: Convert to fraction form
    118,317.01/163,276.23 = 64,601.86/x
  3. Step 3: Cross multiply
    118,317.01x = 163,276.23 × 64,601.86
  4. Step 4: Simplify right side
    118,317.01x = 10,547,948,151.79
  5. Step 5: Solve for x
    x = 10,547,948,151.79/118,317.01
  6. Step 6: Final answer
    x = 89,149.89

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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.