Home / 190,687.32-286,071.98-64,330.70

Finding the Fourth Proportional to 190,687.32, 286,071.98 and 64,330.70

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Solution

The fourth proportional to 190,687.32, 286,071.98 and 64,330.70 is: 96,509.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,687.32 : 286,071.98 = 64,330.70 : x
  2. Step 2: Convert to fraction form
    190,687.32/286,071.98 = 64,330.70/x
  3. Step 3: Cross multiply
    190,687.32x = 286,071.98 × 64,330.70
  4. Step 4: Simplify right side
    190,687.32x = 18,403,208,971.77
  5. Step 5: Solve for x
    x = 18,403,208,971.77/190,687.32
  6. Step 6: Final answer
    x = 96,509.87

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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.