Home / 129,477.15-193,924.13-66,316.59

Finding the Fourth Proportional to 129,477.15, 193,924.13 and 66,316.59

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Solution

The fourth proportional to 129,477.15, 193,924.13 and 66,316.59 is: 99,325.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,477.15 : 193,924.13 = 66,316.59 : x
  2. Step 2: Convert to fraction form
    129,477.15/193,924.13 = 66,316.59/x
  3. Step 3: Cross multiply
    129,477.15x = 193,924.13 × 66,316.59
  4. Step 4: Simplify right side
    129,477.15x = 12,860,386,688.73
  5. Step 5: Solve for x
    x = 12,860,386,688.73/129,477.15
  6. Step 6: Final answer
    x = 99,325.53

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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.