Home / 140,155.65-193,407.14-76,492.08

Finding the Fourth Proportional to 140,155.65, 193,407.14 and 76,492.08

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Solution

The fourth proportional to 140,155.65, 193,407.14 and 76,492.08 is: 105,554.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,155.65 : 193,407.14 = 76,492.08 : x
  2. Step 2: Convert to fraction form
    140,155.65/193,407.14 = 76,492.08/x
  3. Step 3: Cross multiply
    140,155.65x = 193,407.14 × 76,492.08
  4. Step 4: Simplify right side
    140,155.65x = 14,794,114,616.68
  5. Step 5: Solve for x
    x = 14,794,114,616.68/140,155.65
  6. Step 6: Final answer
    x = 105,554.89

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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.