Home / 358,441.13-537,663.22-145,213.19

Finding the Fourth Proportional to 358,441.13, 537,663.22 and 145,213.19

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Solution

The fourth proportional to 358,441.13, 537,663.22 and 145,213.19 is: 217,820.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,441.13 : 537,663.22 = 145,213.19 : x
  2. Step 2: Convert to fraction form
    358,441.13/537,663.22 = 145,213.19/x
  3. Step 3: Cross multiply
    358,441.13x = 537,663.22 × 145,213.19
  4. Step 4: Simplify right side
    358,441.13x = 78,075,790,286.76
  5. Step 5: Solve for x
    x = 78,075,790,286.76/358,441.13
  6. Step 6: Final answer
    x = 217,820.40

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1.5x scale

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.