Home / 112,114.14-154,718.67-61,814.94

Finding the Fourth Proportional to 112,114.14, 154,718.67 and 61,814.94

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Solution

The fourth proportional to 112,114.14, 154,718.67 and 61,814.94 is: 85,305.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,114.14 : 154,718.67 = 61,814.94 : x
  2. Step 2: Convert to fraction form
    112,114.14/154,718.67 = 61,814.94/x
  3. Step 3: Cross multiply
    112,114.14x = 154,718.67 × 61,814.94
  4. Step 4: Simplify right side
    112,114.14x = 9,563,925,302.93
  5. Step 5: Solve for x
    x = 9,563,925,302.93/112,114.14
  6. Step 6: Final answer
    x = 85,305.26

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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.