Home / 233,515.72-322,192.38-142,838.56

Finding the Fourth Proportional to 233,515.72, 322,192.38 and 142,838.56

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Solution

The fourth proportional to 233,515.72, 322,192.38 and 142,838.56 is: 197,080.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    233,515.72 : 322,192.38 = 142,838.56 : x
  2. Step 2: Convert to fraction form
    233,515.72/322,192.38 = 142,838.56/x
  3. Step 3: Cross multiply
    233,515.72x = 322,192.38 × 142,838.56
  4. Step 4: Simplify right side
    233,515.72x = 46,021,495,602.17
  5. Step 5: Solve for x
    x = 46,021,495,602.17/233,515.72
  6. Step 6: Final answer
    x = 197,080.93

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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.