Home / 128,153.64-191,851.94-94,651.24

Finding the Fourth Proportional to 128,153.64, 191,851.94 and 94,651.24

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Solution

The fourth proportional to 128,153.64, 191,851.94 and 94,651.24 is: 141,697.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    128,153.64 : 191,851.94 = 94,651.24 : x
  2. Step 2: Convert to fraction form
    128,153.64/191,851.94 = 94,651.24/x
  3. Step 3: Cross multiply
    128,153.64x = 191,851.94 × 94,651.24
  4. Step 4: Simplify right side
    128,153.64x = 18,159,024,017.41
  5. Step 5: Solve for x
    x = 18,159,024,017.41/128,153.64
  6. Step 6: Final answer
    x = 141,697.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.