Home / 112,368.07-168,435.46-53,158.69

Finding the Fourth Proportional to 112,368.07, 168,435.46 and 53,158.69

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Solution

The fourth proportional to 112,368.07, 168,435.46 and 53,158.69 is: 79,682.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,368.07 : 168,435.46 = 53,158.69 : x
  2. Step 2: Convert to fraction form
    112,368.07/168,435.46 = 53,158.69/x
  3. Step 3: Cross multiply
    112,368.07x = 168,435.46 × 53,158.69
  4. Step 4: Simplify right side
    112,368.07x = 8,953,808,403.15
  5. Step 5: Solve for x
    x = 8,953,808,403.15/112,368.07
  6. Step 6: Final answer
    x = 79,682.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.