Home / 317,435.16-438,061.26-174,196.36

Finding the Fourth Proportional to 317,435.16, 438,061.26 and 174,196.36

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Solution

The fourth proportional to 317,435.16, 438,061.26 and 174,196.36 is: 240,391.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,435.16 : 438,061.26 = 174,196.36 : x
  2. Step 2: Convert to fraction form
    317,435.16/438,061.26 = 174,196.36/x
  3. Step 3: Cross multiply
    317,435.16x = 438,061.26 × 174,196.36
  4. Step 4: Simplify right side
    317,435.16x = 76,308,676,949.01
  5. Step 5: Solve for x
    x = 76,308,676,949.01/317,435.16
  6. Step 6: Final answer
    x = 240,391.38

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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.