Home / 199,460.17-275,248.72-113,428.50

Finding the Fourth Proportional to 199,460.17, 275,248.72 and 113,428.50

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Solution

The fourth proportional to 199,460.17, 275,248.72 and 113,428.50 is: 156,527.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,460.17 : 275,248.72 = 113,428.50 : x
  2. Step 2: Convert to fraction form
    199,460.17/275,248.72 = 113,428.50/x
  3. Step 3: Cross multiply
    199,460.17x = 275,248.72 × 113,428.50
  4. Step 4: Simplify right side
    199,460.17x = 31,221,047,493.13
  5. Step 5: Solve for x
    x = 31,221,047,493.13/199,460.17
  6. Step 6: Final answer
    x = 156,527.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.