Home / 112,276.84-168,392.22-42,154.60

Finding the Fourth Proportional to 112,276.84, 168,392.22 and 42,154.60

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Solution

The fourth proportional to 112,276.84, 168,392.22 and 42,154.60 is: 63,223.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,276.84 : 168,392.22 = 42,154.60 : x
  2. Step 2: Convert to fraction form
    112,276.84/168,392.22 = 42,154.60/x
  3. Step 3: Cross multiply
    112,276.84x = 168,392.22 × 42,154.60
  4. Step 4: Simplify right side
    112,276.84x = 7,098,506,677.21
  5. Step 5: Solve for x
    x = 7,098,506,677.21/112,276.84
  6. Step 6: Final answer
    x = 63,223.25

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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.