Home / 190,881.35-286,274.70-64,518.79

Finding the Fourth Proportional to 190,881.35, 286,274.70 and 64,518.79

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Solution

The fourth proportional to 190,881.35, 286,274.70 and 64,518.79 is: 96,762.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,881.35 : 286,274.70 = 64,518.79 : x
  2. Step 2: Convert to fraction form
    190,881.35/286,274.70 = 64,518.79/x
  3. Step 3: Cross multiply
    190,881.35x = 286,274.70 × 64,518.79
  4. Step 4: Simplify right side
    190,881.35x = 18,470,097,251.61
  5. Step 5: Solve for x
    x = 18,470,097,251.61/190,881.35
  6. Step 6: Final answer
    x = 96,762.19

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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.