Home / 186,208.04-278,816.34-127,159.04

Finding the Fourth Proportional to 186,208.04, 278,816.34 and 127,159.04

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Solution

The fourth proportional to 186,208.04, 278,816.34 and 127,159.04 is: 190,400.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,208.04 : 278,816.34 = 127,159.04 : x
  2. Step 2: Convert to fraction form
    186,208.04/278,816.34 = 127,159.04/x
  3. Step 3: Cross multiply
    186,208.04x = 278,816.34 × 127,159.04
  4. Step 4: Simplify right side
    186,208.04x = 35,454,018,130.71
  5. Step 5: Solve for x
    x = 35,454,018,130.71/186,208.04
  6. Step 6: Final answer
    x = 190,400.04

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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.