Home / 190,749.60-286,124.40-116,016.30

Finding the Fourth Proportional to 190,749.60, 286,124.40 and 116,016.30

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Solution

The fourth proportional to 190,749.60, 286,124.40 and 116,016.30 is: 174,024.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,749.60 : 286,124.40 = 116,016.30 : x
  2. Step 2: Convert to fraction form
    190,749.60/286,124.40 = 116,016.30/x
  3. Step 3: Cross multiply
    190,749.60x = 286,124.40 × 116,016.30
  4. Step 4: Simplify right side
    190,749.60x = 33,195,094,227.72
  5. Step 5: Solve for x
    x = 33,195,094,227.72/190,749.60
  6. Step 6: Final answer
    x = 174,024.45

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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.