Home / 115,931.40-174,095.37-71,214.90

Finding the Fourth Proportional to 115,931.40, 174,095.37 and 71,214.90

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Solution

The fourth proportional to 115,931.40, 174,095.37 and 71,214.90 is: 106,944.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,931.40 : 174,095.37 = 71,214.90 : x
  2. Step 2: Convert to fraction form
    115,931.40/174,095.37 = 71,214.90/x
  3. Step 3: Cross multiply
    115,931.40x = 174,095.37 × 71,214.90
  4. Step 4: Simplify right side
    115,931.40x = 12,398,184,365.01
  5. Step 5: Solve for x
    x = 12,398,184,365.01/115,931.40
  6. Step 6: Final answer
    x = 106,944.14

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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.