Home / 291,535.02-402,180.87-170,602.14

Finding the Fourth Proportional to 291,535.02, 402,180.87 and 170,602.14

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Solution

The fourth proportional to 291,535.02, 402,180.87 and 170,602.14 is: 235,350.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,535.02 : 402,180.87 = 170,602.14 : x
  2. Step 2: Convert to fraction form
    291,535.02/402,180.87 = 170,602.14/x
  3. Step 3: Cross multiply
    291,535.02x = 402,180.87 × 170,602.14
  4. Step 4: Simplify right side
    291,535.02x = 68,612,917,089.06
  5. Step 5: Solve for x
    x = 68,612,917,089.06/291,535.02
  6. Step 6: Final answer
    x = 235,350.51

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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.