Home / 104,433.20-144,117.36-56,686.16

Finding the Fourth Proportional to 104,433.20, 144,117.36 and 56,686.16

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Solution

The fourth proportional to 104,433.20, 144,117.36 and 56,686.16 is: 78,226.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,433.20 : 144,117.36 = 56,686.16 : x
  2. Step 2: Convert to fraction form
    104,433.20/144,117.36 = 56,686.16/x
  3. Step 3: Cross multiply
    104,433.20x = 144,117.36 × 56,686.16
  4. Step 4: Simplify right side
    104,433.20x = 8,169,459,727.74
  5. Step 5: Solve for x
    x = 8,169,459,727.74/104,433.20
  6. Step 6: Final answer
    x = 78,226.65

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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.