Home / 358,743.68-495,066.22-197,598.72

Finding the Fourth Proportional to 358,743.68, 495,066.22 and 197,598.72

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Solution

The fourth proportional to 358,743.68, 495,066.22 and 197,598.72 is: 272,686.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,743.68 : 495,066.22 = 197,598.72 : x
  2. Step 2: Convert to fraction form
    358,743.68/495,066.22 = 197,598.72/x
  3. Step 3: Cross multiply
    358,743.68x = 495,066.22 × 197,598.72
  4. Step 4: Simplify right side
    358,743.68x = 97,824,453,118.90
  5. Step 5: Solve for x
    x = 97,824,453,118.90/358,743.68
  6. Step 6: Final answer
    x = 272,686.21

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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.