Home / 186,667.60-280,001.40-102,395.20

Finding the Fourth Proportional to 186,667.60, 280,001.40 and 102,395.20

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Solution

The fourth proportional to 186,667.60, 280,001.40 and 102,395.20 is: 153,592.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,667.60 : 280,001.40 = 102,395.20 : x
  2. Step 2: Convert to fraction form
    186,667.60/280,001.40 = 102,395.20/x
  3. Step 3: Cross multiply
    186,667.60x = 280,001.40 × 102,395.20
  4. Step 4: Simplify right side
    186,667.60x = 28,670,799,353.28
  5. Step 5: Solve for x
    x = 28,670,799,353.28/186,667.60
  6. Step 6: Final answer
    x = 153,592.80

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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.