Home / 317,631.51-438,332.34-174,400.83

Finding the Fourth Proportional to 317,631.51, 438,332.34 and 174,400.83

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Solution

The fourth proportional to 317,631.51, 438,332.34 and 174,400.83 is: 240,673.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,631.51 : 438,332.34 = 174,400.83 : x
  2. Step 2: Convert to fraction form
    317,631.51/438,332.34 = 174,400.83/x
  3. Step 3: Cross multiply
    317,631.51x = 438,332.34 × 174,400.83
  4. Step 4: Simplify right side
    317,631.51x = 76,445,523,911.84
  5. Step 5: Solve for x
    x = 76,445,523,911.84/317,631.51
  6. Step 6: Final answer
    x = 240,673.62

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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.