Home / 104,166.32-143,740.86-61,141.16

Finding the Fourth Proportional to 104,166.32, 143,740.86 and 61,141.16

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Solution

The fourth proportional to 104,166.32, 143,740.86 and 61,141.16 is: 84,369.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,166.32 : 143,740.86 = 61,141.16 : x
  2. Step 2: Convert to fraction form
    104,166.32/143,740.86 = 61,141.16/x
  3. Step 3: Cross multiply
    104,166.32x = 143,740.86 × 61,141.16
  4. Step 4: Simplify right side
    104,166.32x = 8,788,482,919.80
  5. Step 5: Solve for x
    x = 8,788,482,919.80/104,166.32
  6. Step 6: Final answer
    x = 84,369.72

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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.