Home / 190,330.81-262,637.26-113,834.72

Finding the Fourth Proportional to 190,330.81, 262,637.26 and 113,834.72

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Solution

The fourth proportional to 190,330.81, 262,637.26 and 113,834.72 is: 157,080.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,330.81 : 262,637.26 = 113,834.72 : x
  2. Step 2: Convert to fraction form
    190,330.81/262,637.26 = 113,834.72/x
  3. Step 3: Cross multiply
    190,330.81x = 262,637.26 × 113,834.72
  4. Step 4: Simplify right side
    190,330.81x = 29,897,239,325.67
  5. Step 5: Solve for x
    x = 29,897,239,325.67/190,330.81
  6. Step 6: Final answer
    x = 157,080.40

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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.