Home / 186,001.40-279,002.10-130,014.20

Finding the Fourth Proportional to 186,001.40, 279,002.10 and 130,014.20

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Solution

The fourth proportional to 186,001.40, 279,002.10 and 130,014.20 is: 195,021.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,001.40 : 279,002.10 = 130,014.20 : x
  2. Step 2: Convert to fraction form
    186,001.40/279,002.10 = 130,014.20/x
  3. Step 3: Cross multiply
    186,001.40x = 279,002.10 × 130,014.20
  4. Step 4: Simplify right side
    186,001.40x = 36,274,234,829.82
  5. Step 5: Solve for x
    x = 36,274,234,829.82/186,001.40
  6. Step 6: Final answer
    x = 195,021.30

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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.