Home / 186,006.40-279,009.60-111,356.80

Finding the Fourth Proportional to 186,006.40, 279,009.60 and 111,356.80

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Solution

The fourth proportional to 186,006.40, 279,009.60 and 111,356.80 is: 167,035.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,006.40 : 279,009.60 = 111,356.80 : x
  2. Step 2: Convert to fraction form
    186,006.40/279,009.60 = 111,356.80/x
  3. Step 3: Cross multiply
    186,006.40x = 279,009.60 × 111,356.80
  4. Step 4: Simplify right side
    186,006.40x = 31,069,616,225.28
  5. Step 5: Solve for x
    x = 31,069,616,225.28/186,006.40
  6. Step 6: Final answer
    x = 167,035.20

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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.