Home / 612,098.10-918,233.55-191,330.10

Finding the Fourth Proportional to 612,098.10, 918,233.55 and 191,330.10

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Solution

The fourth proportional to 612,098.10, 918,233.55 and 191,330.10 is: 287,022.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    612,098.10 : 918,233.55 = 191,330.10 : x
  2. Step 2: Convert to fraction form
    612,098.10/918,233.55 = 191,330.10/x
  3. Step 3: Cross multiply
    612,098.10x = 918,233.55 × 191,330.10
  4. Step 4: Simplify right side
    612,098.10x = 175,685,716,944.86
  5. Step 5: Solve for x
    x = 175,685,716,944.86/612,098.10
  6. Step 6: Final answer
    x = 287,022.16

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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.