Home / 112,225.20-154,870.60-61,924.16

Finding the Fourth Proportional to 112,225.20, 154,870.60 and 61,924.16

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Solution

The fourth proportional to 112,225.20, 154,870.60 and 61,924.16 is: 85,455.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,225.20 : 154,870.60 = 61,924.16 : x
  2. Step 2: Convert to fraction form
    112,225.20/154,870.60 = 61,924.16/x
  3. Step 3: Cross multiply
    112,225.20x = 154,870.60 × 61,924.16
  4. Step 4: Simplify right side
    112,225.20x = 9,590,231,813.70
  5. Step 5: Solve for x
    x = 9,590,231,813.70/112,225.20
  6. Step 6: Final answer
    x = 85,455.24

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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.