Home / 358,943.45-495,345.29-197,804.25

Finding the Fourth Proportional to 358,943.45, 495,345.29 and 197,804.25

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Solution

The fourth proportional to 358,943.45, 495,345.29 and 197,804.25 is: 272,971.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,943.45 : 495,345.29 = 197,804.25 : x
  2. Step 2: Convert to fraction form
    358,943.45/495,345.29 = 197,804.25/x
  3. Step 3: Cross multiply
    358,943.45x = 495,345.29 × 197,804.25
  4. Step 4: Simplify right side
    358,943.45x = 97,981,402,590.46
  5. Step 5: Solve for x
    x = 97,981,402,590.46/358,943.45
  6. Step 6: Final answer
    x = 272,971.70

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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.