Home / 140,185.16-193,450.02-76,522.88

Finding the Fourth Proportional to 140,185.16, 193,450.02 and 76,522.88

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Solution

The fourth proportional to 140,185.16, 193,450.02 and 76,522.88 is: 105,598.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,185.16 : 193,450.02 = 76,522.88 : x
  2. Step 2: Convert to fraction form
    140,185.16/193,450.02 = 76,522.88/x
  3. Step 3: Cross multiply
    140,185.16x = 193,450.02 × 76,522.88
  4. Step 4: Simplify right side
    140,185.16x = 14,803,352,666.46
  5. Step 5: Solve for x
    x = 14,803,352,666.46/140,185.16
  6. Step 6: Final answer
    x = 105,598.57

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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.