Home / 370,904.06-556,210.52-130,966.80

Finding the Fourth Proportional to 370,904.06, 556,210.52 and 130,966.80

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Solution

The fourth proportional to 370,904.06, 556,210.52 and 130,966.80 is: 196,398.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,904.06 : 556,210.52 = 130,966.80 : x
  2. Step 2: Convert to fraction form
    370,904.06/556,210.52 = 130,966.80/x
  3. Step 3: Cross multiply
    370,904.06x = 556,210.52 × 130,966.80
  4. Step 4: Simplify right side
    370,904.06x = 72,845,111,930.74
  5. Step 5: Solve for x
    x = 72,845,111,930.74/370,904.06
  6. Step 6: Final answer
    x = 196,398.80

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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.