Home / 317,702.12-438,431.96-174,465.16

Finding the Fourth Proportional to 317,702.12, 438,431.96 and 174,465.16

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Solution

The fourth proportional to 317,702.12, 438,431.96 and 174,465.16 is: 240,763.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,702.12 : 438,431.96 = 174,465.16 : x
  2. Step 2: Convert to fraction form
    317,702.12/438,431.96 = 174,465.16/x
  3. Step 3: Cross multiply
    317,702.12x = 438,431.96 × 174,465.16
  4. Step 4: Simplify right side
    317,702.12x = 76,491,102,050.51
  5. Step 5: Solve for x
    x = 76,491,102,050.51/317,702.12
  6. Step 6: Final answer
    x = 240,763.59

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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.