Home / 113,923.74-157,166.55-76,210.14

Finding the Fourth Proportional to 113,923.74, 157,166.55 and 76,210.14

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Solution

The fourth proportional to 113,923.74, 157,166.55 and 76,210.14 is: 105,137.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,923.74 : 157,166.55 = 76,210.14 : x
  2. Step 2: Convert to fraction form
    113,923.74/157,166.55 = 76,210.14/x
  3. Step 3: Cross multiply
    113,923.74x = 157,166.55 × 76,210.14
  4. Step 4: Simplify right side
    113,923.74x = 11,977,684,778.82
  5. Step 5: Solve for x
    x = 11,977,684,778.82/113,923.74
  6. Step 6: Final answer
    x = 105,137.74

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1.5x scale

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.