Home / 179,268.12-247,492.98-118,920.60

Finding the Fourth Proportional to 179,268.12, 247,492.98 and 118,920.60

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Solution

The fourth proportional to 179,268.12, 247,492.98 and 118,920.60 is: 164,178.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,268.12 : 247,492.98 = 118,920.60 : x
  2. Step 2: Convert to fraction form
    179,268.12/247,492.98 = 118,920.60/x
  3. Step 3: Cross multiply
    179,268.12x = 247,492.98 × 118,920.60
  4. Step 4: Simplify right side
    179,268.12x = 29,432,013,677.39
  5. Step 5: Solve for x
    x = 29,432,013,677.39/179,268.12
  6. Step 6: Final answer
    x = 164,178.74

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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.