Home / 186,360.20-257,170.05-113,884.28

Finding the Fourth Proportional to 186,360.20, 257,170.05 and 113,884.28

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Solution

The fourth proportional to 186,360.20, 257,170.05 and 113,884.28 is: 157,156.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,360.20 : 257,170.05 = 113,884.28 : x
  2. Step 2: Convert to fraction form
    186,360.20/257,170.05 = 113,884.28/x
  3. Step 3: Cross multiply
    186,360.20x = 257,170.05 × 113,884.28
  4. Step 4: Simplify right side
    186,360.20x = 29,287,625,981.81
  5. Step 5: Solve for x
    x = 29,287,625,981.81/186,360.20
  6. Step 6: Final answer
    x = 157,156.01

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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.