Home / 186,931.20-257,968.96-102,051.84

Finding the Fourth Proportional to 186,931.20, 257,968.96 and 102,051.84

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Solution

The fourth proportional to 186,931.20, 257,968.96 and 102,051.84 is: 140,833.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,931.20 : 257,968.96 = 102,051.84 : x
  2. Step 2: Convert to fraction form
    186,931.20/257,968.96 = 102,051.84/x
  3. Step 3: Cross multiply
    186,931.20x = 257,968.96 × 102,051.84
  4. Step 4: Simplify right side
    186,931.20x = 26,326,207,030.89
  5. Step 5: Solve for x
    x = 26,326,207,030.89/186,931.20
  6. Step 6: Final answer
    x = 140,833.67

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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.