Home / 385,205.76-576,966.04-195,338.93

Finding the Fourth Proportional to 385,205.76, 576,966.04 and 195,338.93

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Solution

The fourth proportional to 385,205.76, 576,966.04 and 195,338.93 is: 292,581.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    385,205.76 : 576,966.04 = 195,338.93 : x
  2. Step 2: Convert to fraction form
    385,205.76/576,966.04 = 195,338.93/x
  3. Step 3: Cross multiply
    385,205.76x = 576,966.04 × 195,338.93
  4. Step 4: Simplify right side
    385,205.76x = 112,703,925,526.76
  5. Step 5: Solve for x
    x = 112,703,925,526.76/385,205.76
  6. Step 6: Final answer
    x = 292,581.10

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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.