Home / 370,974.10-556,477.35-121,656.10

Finding the Fourth Proportional to 370,974.10, 556,477.35 and 121,656.10

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Solution

The fourth proportional to 370,974.10, 556,477.35 and 121,656.10 is: 182,489.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,974.10 : 556,477.35 = 121,656.10 : x
  2. Step 2: Convert to fraction form
    370,974.10/556,477.35 = 121,656.10/x
  3. Step 3: Cross multiply
    370,974.10x = 556,477.35 × 121,656.10
  4. Step 4: Simplify right side
    370,974.10x = 67,698,864,139.34
  5. Step 5: Solve for x
    x = 67,698,864,139.34/370,974.10
  6. Step 6: Final answer
    x = 182,489.46

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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.