Home / 124,530.60-186,666.30-68,284.20

Finding the Fourth Proportional to 124,530.60, 186,666.30 and 68,284.20

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Solution

The fourth proportional to 124,530.60, 186,666.30 and 68,284.20 is: 102,355.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,530.60 : 186,666.30 = 68,284.20 : x
  2. Step 2: Convert to fraction form
    124,530.60/186,666.30 = 68,284.20/x
  3. Step 3: Cross multiply
    124,530.60x = 186,666.30 × 68,284.20
  4. Step 4: Simplify right side
    124,530.60x = 12,746,358,962.46
  5. Step 5: Solve for x
    x = 12,746,358,962.46/124,530.60
  6. Step 6: Final answer
    x = 102,355.24

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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.