Home / 186,372.42-257,204.74-140,349.67

Finding the Fourth Proportional to 186,372.42, 257,204.74 and 140,349.67

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Solution

The fourth proportional to 186,372.42, 257,204.74 and 140,349.67 is: 193,690.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,372.42 : 257,204.74 = 140,349.67 : x
  2. Step 2: Convert to fraction form
    186,372.42/257,204.74 = 140,349.67/x
  3. Step 3: Cross multiply
    186,372.42x = 257,204.74 × 140,349.67
  4. Step 4: Simplify right side
    186,372.42x = 36,098,599,387.55
  5. Step 5: Solve for x
    x = 36,098,599,387.55/186,372.42
  6. Step 6: Final answer
    x = 193,690.67

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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.