Home / 370,938.40-556,451.16-118,130.38

Finding the Fourth Proportional to 370,938.40, 556,451.16 and 118,130.38

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Solution

The fourth proportional to 370,938.40, 556,451.16 and 118,130.38 is: 177,209.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,938.40 : 556,451.16 = 118,130.38 : x
  2. Step 2: Convert to fraction form
    370,938.40/556,451.16 = 118,130.38/x
  3. Step 3: Cross multiply
    370,938.40x = 556,451.16 × 118,130.38
  4. Step 4: Simplify right side
    370,938.40x = 65,733,786,982.24
  5. Step 5: Solve for x
    x = 65,733,786,982.24/370,938.40
  6. Step 6: Final answer
    x = 177,209.44

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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.