Home / 317,806.32-438,574.02-174,569.16

Finding the Fourth Proportional to 317,806.32, 438,574.02 and 174,569.16

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Solution

The fourth proportional to 317,806.32, 438,574.02 and 174,569.16 is: 240,906.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,806.32 : 438,574.02 = 174,569.16 : x
  2. Step 2: Convert to fraction form
    317,806.32/438,574.02 = 174,569.16/x
  3. Step 3: Cross multiply
    317,806.32x = 438,574.02 × 174,569.16
  4. Step 4: Simplify right side
    317,806.32x = 76,561,498,269.22
  5. Step 5: Solve for x
    x = 76,561,498,269.22/317,806.32
  6. Step 6: Final answer
    x = 240,906.15

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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.