Home / 115,123.25-172,802.66-95,068.86

Finding the Fourth Proportional to 115,123.25, 172,802.66 and 95,068.86

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Solution

The fourth proportional to 115,123.25, 172,802.66 and 95,068.86 is: 142,700.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,123.25 : 172,802.66 = 95,068.86 : x
  2. Step 2: Convert to fraction form
    115,123.25/172,802.66 = 95,068.86/x
  3. Step 3: Cross multiply
    115,123.25x = 172,802.66 × 95,068.86
  4. Step 4: Simplify right side
    115,123.25x = 16,428,151,415.82
  5. Step 5: Solve for x
    x = 16,428,151,415.82/115,123.25
  6. Step 6: Final answer
    x = 142,700.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.