Home / 190,298.22-262,627.55-105,423.18

Finding the Fourth Proportional to 190,298.22, 262,627.55 and 105,423.18

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Solution

The fourth proportional to 190,298.22, 262,627.55 and 105,423.18 is: 145,492.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,298.22 : 262,627.55 = 105,423.18 : x
  2. Step 2: Convert to fraction form
    190,298.22/262,627.55 = 105,423.18/x
  3. Step 3: Cross multiply
    190,298.22x = 262,627.55 × 105,423.18
  4. Step 4: Simplify right side
    190,298.22x = 27,687,031,476.61
  5. Step 5: Solve for x
    x = 27,687,031,476.61/190,298.22
  6. Step 6: Final answer
    x = 145,492.86

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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.