Home / 190,862.28-286,204.54-70,835.63

Finding the Fourth Proportional to 190,862.28, 286,204.54 and 70,835.63

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Solution

The fourth proportional to 190,862.28, 286,204.54 and 70,835.63 is: 106,220.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,862.28 : 286,204.54 = 70,835.63 : x
  2. Step 2: Convert to fraction form
    190,862.28/286,204.54 = 70,835.63/x
  3. Step 3: Cross multiply
    190,862.28x = 286,204.54 × 70,835.63
  4. Step 4: Simplify right side
    190,862.28x = 20,273,478,899.76
  5. Step 5: Solve for x
    x = 20,273,478,899.76/190,862.28
  6. Step 6: Final answer
    x = 106,220.46

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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.