Home / 112,254.61-168,455.73-42,133.92

Finding the Fourth Proportional to 112,254.61, 168,455.73 and 42,133.92

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Solution

The fourth proportional to 112,254.61, 168,455.73 and 42,133.92 is: 63,228.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,254.61 : 168,455.73 = 42,133.92 : x
  2. Step 2: Convert to fraction form
    112,254.61/168,455.73 = 42,133.92/x
  3. Step 3: Cross multiply
    112,254.61x = 168,455.73 × 42,133.92
  4. Step 4: Simplify right side
    112,254.61x = 7,097,700,369.71
  5. Step 5: Solve for x
    x = 7,097,700,369.71/112,254.61
  6. Step 6: Final answer
    x = 63,228.59

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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.