Home / 238,305.16-328,716.71-141,445.20

Finding the Fourth Proportional to 238,305.16, 328,716.71 and 141,445.20

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Solution

The fourth proportional to 238,305.16, 328,716.71 and 141,445.20 is: 195,108.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,305.16 : 328,716.71 = 141,445.20 : x
  2. Step 2: Convert to fraction form
    238,305.16/328,716.71 = 141,445.20/x
  3. Step 3: Cross multiply
    238,305.16x = 328,716.71 × 141,445.20
  4. Step 4: Simplify right side
    238,305.16x = 46,495,400,955.67
  5. Step 5: Solve for x
    x = 46,495,400,955.67/238,305.16
  6. Step 6: Final answer
    x = 195,108.66

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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.