Home / 370,870.05-556,159.50-130,932.74

Finding the Fourth Proportional to 370,870.05, 556,159.50 and 130,932.74

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Solution

The fourth proportional to 370,870.05, 556,159.50 and 130,932.74 is: 196,347.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,870.05 : 556,159.50 = 130,932.74 : x
  2. Step 2: Convert to fraction form
    370,870.05/556,159.50 = 130,932.74/x
  3. Step 3: Cross multiply
    370,870.05x = 556,159.50 × 130,932.74
  4. Step 4: Simplify right side
    370,870.05x = 72,819,488,602.43
  5. Step 5: Solve for x
    x = 72,819,488,602.43/370,870.05
  6. Step 6: Final answer
    x = 196,347.72

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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.