Home / 104,191.77-143,784.18-56,445.24

Finding the Fourth Proportional to 104,191.77, 143,784.18 and 56,445.24

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Solution

The fourth proportional to 104,191.77, 143,784.18 and 56,445.24 is: 77,894.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,191.77 : 143,784.18 = 56,445.24 : x
  2. Step 2: Convert to fraction form
    104,191.77/143,784.18 = 56,445.24/x
  3. Step 3: Cross multiply
    104,191.77x = 143,784.18 × 56,445.24
  4. Step 4: Simplify right side
    104,191.77x = 8,115,932,548.30
  5. Step 5: Solve for x
    x = 8,115,932,548.30/104,191.77
  6. Step 6: Final answer
    x = 77,894.18

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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.