Home / 312,277.17-430,941.51-169,036.86

Finding the Fourth Proportional to 312,277.17, 430,941.51 and 169,036.86

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Solution

The fourth proportional to 312,277.17, 430,941.51 and 169,036.86 is: 233,270.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    312,277.17 : 430,941.51 = 169,036.86 : x
  2. Step 2: Convert to fraction form
    312,277.17/430,941.51 = 169,036.86/x
  3. Step 3: Cross multiply
    312,277.17x = 430,941.51 × 169,036.86
  4. Step 4: Simplify right side
    312,277.17x = 72,844,999,694.06
  5. Step 5: Solve for x
    x = 72,844,999,694.06/312,277.17
  6. Step 6: Final answer
    x = 233,270.33

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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.