Home / 140,084.99-193,313.45-76,422.77

Finding the Fourth Proportional to 140,084.99, 193,313.45 and 76,422.77

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Solution

The fourth proportional to 140,084.99, 193,313.45 and 76,422.77 is: 105,461.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,084.99 : 193,313.45 = 76,422.77 : x
  2. Step 2: Convert to fraction form
    140,084.99/193,313.45 = 76,422.77/x
  3. Step 3: Cross multiply
    140,084.99x = 193,313.45 × 76,422.77
  4. Step 4: Simplify right side
    140,084.99x = 14,773,547,978.58
  5. Step 5: Solve for x
    x = 14,773,547,978.58/140,084.99
  6. Step 6: Final answer
    x = 105,461.32

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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.